Bluebeam Support Email, Select Pay Online in the invoice to complete your payment via a secure Stripe link.

Bluebeam Support Email, Table of Contents Bluebeam on web and mobile in Read-only As a Bluebeam Platinum Partner, we’re proud to deliver all your Bluebeam needs to keep your team on the same page and finish projects on Welcome to Your Bluebeam Community Hub As your Customer Success Manager, I’ve created this exclusive page for you and your organization. To start If you received a Session Key from a Customer Service Representative, enter it here. Bluebeam tilbyder teknisk support Bluebeam on web and mobile (formerly Bluebeam Cloud) Troubleshooting articles Find solutions to common issues you might encounter. Its flagship Contact Bluebeam technical support or get in touch with a member of our sales team today. O. For more information about compatibility requirements and available integrations, visit this article. All Rights Reserved | Bluebeam is We would like to show you a description here but the site won’t allow us. Bluebeam tilbyder teknisk support Bluebeam Services Status Here’s where you can find the current status of Bluebeam's Services and subscribe to status notifications. Bluebeam empowers those who build our world. - Bluebeam To sign in properly, make sure you spelled your email address correctly and/or locate your original Studio account verification email to confirm the correct BBID. Depending on your country or region, Bluebeam may be restricting access to Studio We would like to show you a description here but the site won’t allow us. Admins will Technical Support: Opens an email message to Bluebeam for a request for technical support. Bluebeam email address for customer service and general assistance is support@bluebeam. Zie voor meer informatie de Org Admin-handleiding. Features, pricing, integrations, security & user ratings. Select Register. Bluebeam pushes the boundaries of innovation, developing smart, simple project efficiency and collaboration solutions for design and construction professionals We would like to show you a description here but the site won’t allow us. Reinstall Revu by downloading the version and edition listed in your license certificate. com'. Find the best fit for your needs. We try to respond to all messages within one business day. ), you must enable them in the If you're still unable to recall the email address associated with your BBID, contact Bluebeam Technical Support for assistance. See all the best ways overall to get in contact with Bluebeam Cloud ASAP. Solution This issue has Scroll down to the contact form. Bluebeam Support won't be able to troubleshoot if you have issues configuring SSO for an unsupported IdP, and you may need to disable SSO. Overview Now that you've Sorry, your browser is not supported Please try using Google Chrome, Mozilla Firefox, Microsoft Edge, or Safari. Solution Upon purchase of Revu 20 or below, a License Certificate is If you and/or your users aren't receiving welcome emails for your Bluebeam subscription, learn how to troubleshoot here, so you can confirm your account and access Revu 21. Learn the steps to take if you receive a login error "Something's not quite right. The new user appears under the Users tab with a Pending status until their account has been Accept email invitation If you purchased more than one seat for, or upgraded to Revu 21, you're an Org Admin for your Bluebeam account by default. If you can't locate your renewal invoice, contact us at 866-496-2140 and select option 1 or email sales@bluebeam. is an American software company founded in 2002 and headquartered in Pasadena, California, United States, with additional offices in Chicago, Illinois; San Diego, California; and Mark, good morning. Today’s post focuses on: Error "There was a problem If you are a Bluebeam Cloud customer and are running into a problem, Justuseapp might not be the fastest and most effective way for you to solve the problem but at least you can warn Learn from peers in Bluebeam Community, explore Bluebeam University product training courses, or submit a ticket so we can provide you with personalized assistance. Refer to the Support services overview for more information. Renewal invoices are automatically sent via email from billing. Find solutions to common issues you might encounter in Bluebeam Revu. Kindly note that card payments are subject to a 2% The following message appears when trying to log into a Studio Project or Session: A validated e-mail address is required to login. This software is now implemented by TXDOT to be used for the Introduction In this guide, you'll learn how to use Studio Sessions in Revu to collaborate on project documents. Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. Please note If you are located outside of the United States, you expressly consent to the transfer of your information from your country of residence to the United States for the sole purpose of allowing In a new email to support@bluebeam. The company's products are designed for architecture, engineering, construction and operations professionals. Get involved with our official forum, local user groups, and more. Please note that phone support is only available for those with maintenance or a subscription plan. Each notification is sent independently. Upon adding users to a subscription plan, Core Support Products Core technical support includes troubleshooting assistance and answers to questions about basic workflows and product features via email. Then, change that account's email to something else, which frees up your new Problem Users are unable to connect to your Studio Enterprise server with Revu or Vu Solutions You can isolate and resolve Studio Enterprise connectivity issues Compare Bluebeam Revu and Trimble Connect side-by-side. Review The firewall ports used for Bluebeam Studio connections could be blocked due to your network security policies. Um mehr über Produkte Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. Session Key Bluebeam Ordering Process If you are a new Bluebeam customer, please provide the following information: Company name Company address Name and email address of the designated license Build connections with Bluebeamers around the world, discover what’s new, and make your voice heard. It offers a comprehensive suite of features tailored for architects, engineers, contractors, In Revu 21, you no longer need a serial number and product key to register. Org Admin allows account owners to manage access for Learn how to fix the issue - A validated e-mail address is required to login. To make it easier for you to find exactly what you Bluebeam’s user management portal gives you a centralized place to control subscriptions, user permissions, and project access. For details about setting up and whitelisting notifications to ensure Not a Bluebeam Employee or reseller? Here are some links to help you manage your licenses: License Information Lookup | Upgrade a License | License Admin Portal Revu offers notification and alert features within Studio that help you stay updated on changes made to Sessions and Projects. Table of Contents “License Certificate” means the email certificate sent to you at the email address you provided to Bluebeam that includes the name of the Software licensed, your We would like to show you a description here but the site won’t allow us. For clarity, all references Bluebeam construction software empowers Architecture, Engineering and Construction teams to collaborate in real time and manage projects from design Support i fokus | Bluebeam Max Bluebeam Max är här! Den här premiumprenumerationen, som för närvarande är tillgänglig för en begränsad målgrupp, är ditt superverktyg för en AI-driven värld. This is a toll-free number for all consumer inquiries about the company’s solutions, Recently, Bluebeam updated and redesigned the Bluebeam Support Site! Let's take a quick tour of the main page and see what's available on this new version of the site! Get in touch with ProsoftNet for inquiries, support, or partnership opportunities. This guide provides instructions for the IT Admin to Contactez dès à présent l'assistance technique Bluebeam ou un membre de notre équipe commerciale. ¡Estamos a su disposición! Legal Terms of Use Privacy Policy Cookie Declaration Renew or Change Your Cookie Consent Copyright © 2002 - 2026 Bluebeam, Inc. Gateway admins (also called license admins) Using an older version of Revu? Please see the Bluebeam Gateway User Guide for managing Revu 20 and below licenses. , Org Admin) for your Bluebeam subscription, get in-depth information about managing your plan (s) and end user accounts here. Welcome to Bluebeam Org Admin where account owners manage access for Kan jag använda Bluebeam på flera enheter? Mina kunder har inte Bluebeam. Studio Security Overview Introduction This document provides clarification of questions we receive from Bluebeam Studio users regarding document and If you've installed Bluebeam Revu and would like to enable plugins with another application (AutoCAD, Microsoft Office, etc. Bluebeam regards the security of our customer data as one of our highest priorities. . Our vision Please email us for support on how to run Bluebeam Revu on macOS before you purchase a subscription. Bluebeam offers two levels of What Is Bluebeam Software? Bluebeam is a suite of productivity tools centered around PDF technology, developed to meet the needs of design and construction professionals. For more information about using the OIDC connector to Learn from peers in Bluebeam Community, explore Bluebeam University product training courses, or submit a ticket so we can provide you with personalized assistance. Bluebeam, Inc. Please add a We would like to show you a description here but the site won’t allow us. If you never received these onboarding emails or if they've We would like to show you a description here but the site won’t allow us. We're here to help! Keep projects on track with centralized RFIs, real-time markups, and precise takeoffs. To begin using Revu, you'll authenticate your license by signing in with your Bluebeam ID (BBID). Check your inbox for an email from do-not-reply@bluebeamops. In addition, All plans include: Access to Bluebeam Revu for Windows desktop and Bluebeam on web and mobile Technical support via phone and email Full access to Jeder neue Benutzer erhält dann eine E-Mail mit Anweisungen zum Zugriff auf Bluebeam Revu und Bluebeam im Web und auf Mobilgeräten. Sign in to Bluebeam services with your Bluebeam ID for seamless access to features and account management. We’re here to help! If you continue to encounter issues, email support@bluebeam. Use these resources to manage subscriptions and installations, view software requirements and product Revu 20 & Below Licensing FAQ Support for Revu 20 will reach End of Life on July 31, 2026. To learn more You acknowledge and agree that the Services and Software provide a right of use, right of access or are licensed, not sold. , Studio U. Durch Klicken auf „Absenden“ stimmen Sie den Nutzungsbedingungen der Website von Bluebeam zu und erklären sich damit einverstanden, dass Bluebeam die von Ihnen angegebenen Informationen Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. Nous sommes là pour vous aider ! To get started in Org Admin, follow these steps: In your web browser, type the Org Admin URL that corresponds with your region: Select your server region. This document is designed to provide procedural and reference material relating to Revu. Bluebeam has transitioned to Inactive Session notifications Hosts will receive an email notification 10 days before a Session becomes inactive and marked as 'deleted. Table of Contents Send me an email about updates to Projects will send an email whenever an update is made to a Project you have joined (see Note below). Bluebeam solutions empower construction teams with smart digital tools. S. K. The included information covers Discover how what is Bluebeam software can simplify projects in 2025 streamline PDFs, boost teamwork, and make complex tasks easier. com, you can recover your password from the Studio login screen. If you're still unable to recall the email PBCi, BlueBeam, and PBCi K. Weitere Informationen dazu finden Sie im Leitfaden zu Org Click OK. With Bluebeam on web Thank you for choosing idtPlans for your Bluebeam management needs. Ordering Licenses Upon placing your Bluebeam license order, you should receive an email in the next 24-48 Purpose of this Bluebeam Basics manual is to assist in the operation of the Bluebeam Revu Extreme 2020 software rollout. ® clients may open tickets for a wide variety of support requests. Enter your name, email address, and all other required information. Learn how to mark up drawings on-the-go and use Use Bluebeam’s API Webhooks (also known as Subscriptions) endpoints to subscribe to Studio updates so your app automatically receives changes, eliminating the need for manual polling. Vi er klar til at hjælpe. Choose a plan for the new user. First, activate the placeholder account that's already using your new email address. When you attempt to log into Bluebeam Studio and/or reset your Bluebeam ID (BBID) password, you receive the following error message: Please enter a valid email address. Still have questions? We're here to help. All Rights Reserved | Bluebeam is Select one or more users to update the New Bluebeam ID From Directory field. Hilfeartikel und Anleitungen sind als Ressourcen auf unserer Supportseite verfügbar. Problem While attempting to launch the Studio login dialog box, the login screen appears blank (white or black) or only partially rendered. Selected the incorrect server region? Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. Once your trial expires, you can Welcome to Revu Help Welcome to the Revu help guide. Welcome! We're here to help you get started with Bluebeam Revu. After registration, check for another email from do How to register Revu after installation Open Revu and go to Revu > Register. To back up and import your stamps, see Back up and restore your stamps. We would like to show you a description here but the site won’t allow us. Subject: Create your Bluebeam ID Click Create BBID and complete the registration. Enter the Serial Number and Product Key listed on your license certificate. Table of Contents AutoCAD or AutoCAD LT: Bluebeam PDF printer doesn't appear in the printer list AutoCAD PDFs default to The Bluebeam admin must complete steps to assist in the initial setup and configuration of Bluebeam as an integrated collaborative third party program within the Unifier Environment. More information If you haven't What is Bluebeam on web and mobile? Included with a Revu 21 subscription, Bluebeam on web and mobile is a suite of cloud-based solutions custom built for the AECO industry. - in Revu for Windows. To Implement single sign-on (SSO) and SCIM for your Bluebeam subscriptions to allow you and your users to log in to Revu 21, Studio, and Bluebeam Cloud with your Bluebeam on the web Easily view, markup, measure, and collaborate on your drawings and documents — from right here. This action would be necessary if a user needs subscription access to Bluebeam In Bluebeam Revu, if you click on Help > Send Log Files > Yes, it opens a formatted email with the To: address already completed with 'support@bluebeam. If this workaround doesn't resolve the issue, you or an IT admin can try Locations and key contacts for Bluebeam Software, Inc. Please visit the Submit a Ticket page to submit your technical support issues. With a free trial, you have access to all of the features in Revu. Send log files to Bluebeam To report an issue through Revu and create a support case with Bluebeam Technical Support, perform the following steps: Open Revu. Enter your BBID and password. Learn how to update your Bluebeam (BBID) email address and password for logging into Revu 21 and Bluebeam on web and mobile. Bluebeam ORG Admin Portal Please choose your server region to continue logging in. Table of Contents 探しているものがまだ見つかりませんか？ Bluebeam Community の仲間から学ぶ、Bluebeam University の製品トレーニングコースを受講する、またはチケットを送信して個別のサポートを受け Bluebeam Integrations overview This page equips Bluebeam users and developers with essential knowledge and tools to access and create seamless integrations between Bluebeam and third-party For one of Bluebeam 's cloud-based open servers (for example, studio. Next, you'll create/confirm your BBID via email. D. Some popular requests include (but are not limited to): • After accepting your Org Admin permissions via email, you can start adding users to your Revu 21 account and assigning subscription access to users. If you don't receive a password reset email, verify that you spelled your email address correctly and/or locate your original account verification email to confirm Bluebeam Revu is a powerful software tool designed to streamline the construction and design workflows. We have stringent internal access controls to our Studio platform infrastructure environment, using leading practices Oversigt over supporttjenester Bluebeams tekniske supportteam er her for at levere førsteklasses teknisk support til alle, fra brugere i små til større virksomheder. Still have questions? We're here to help. For more information, see Bluebeam End of Life (EOL) Support. Build connections with Bluebeamers around the world, discover what’s new, and make your voice heard. See the Revu Back up and restore settings To back up your tool sets and profiles, see Back up, reset, and restore Revu settings. Today’s post focuses on: Users not As part of our Bluebeam Support Series, we’re highlighting some of the most common questions and issues our Support Team has recently seen. Knowledge Base Bluebeam Community Guide How to navigate, contribute, and get the most out of the Bluebeam Community. By the end, you'll be able to: Start a new Studio Session and invite attendees. Do you have a licensing or installation question regarding Bluebeam Revu? Click to read answers for Frequently Asked Questions and more. With a Bluebeam plan (Basics, Core, Complete, or Max), you get access to all the latest Bluebeam solutions (Revu 21, Studio, and Bluebeam on web and mobile) through a single account. Create a customer portal for self-service support, knowledge base access, and If you continue to encounter issues, email support@bluebeam. Automate tasks, track every change, and stay connected anywhere Not receiving Bluebeam subscription welcome emails Register for Bluebeam University Server Region Best Practices Sign into Revu 21 with your Bluebeam Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. Create BBID When purchasing your subscription via the Bluebeam Webstore, you'll create your Bluebeam ID (BBID), the account you'll use to access Bluebeam solutions (Revu 21, Studio, If you need to look up the current status of Bluebeam's services — including Studio U. What is the Bluebeam Gateway? The Bluebeam Gateway is an online administrative portal available for Revu 20 & below licenses with active Maintenance. Select your email address in the upper right corner and confirm that the correct subscription plan is listed under your account details. Select Save. For Póngase en contacto con el servicio de asistencia técnica de Bluebeam o con un miembro de nuestro equipo de ventas hoy mismo. Before getting started, *Free for a limited time! UC2 Bluebeam Technical Support group/forum is a place for UC2 members to ask for help and get a response Create BBID When purchasing your subscription via the Bluebeam Webstore, you'll create your Bluebeam ID (BBID), the account you'll use to access Bluebeam solutions (Revu 21, Studio, Get Basic or Standard Tier of Technical Support for Bluebeam Revu. The Bluebeam tech support team at the company’s Pasadena, California, headquarters. For answers to frequently asked questions, see the Bluebeam Revu Core - 1 Year Bluebeam PDF Revu for AutoCAD, Revit, Navisworks Manage, Navisworks Simulate, SolidWorks, SketchUp Pro and MS The Tier 2 Technical Support Specialist, a mid-level software support position, is expected to assist Bluebeam customers via telephone, chat, and email who are having technical Support services overview The Bluebeam Technical Support team is here to provide best-in-class technical support for everyone from small business to enterprise users. com), you can recover your password from the login screen. Reset password or validate email Bluebeam ID (Your Email Address) Studio Sessions, an online collaboration tool that allows invitees to mark up the same PDF in real-time Your teams can use Bluebeam Studio to upload project documents, mark them up with comments, Bluebeam has transitioned to a subscription model to better support your work by delivering greater flexibility, peace of mind, and lower total cost of ownership. Our mission is to delight customers with innovation and a simple, elegant experience. The email address given must correspond to an email address listed as a contact for your license. Bluebeam erbjuder två nivåer av teknisk Problem There's a problem with the Bluebeam installation or a file is missing from the installation. Read the solution here. Send me an email Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. The server name and email In this guide, IT administrators can learn about subscription plans, single sign-on (SSO), Studio, firewall and proxy settings, Revu 21and document An email message opens in your default email program with the PDF attached automatically. A new validation e-mail has been sent. We’re here to help! Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. After you finish entering the new user's information, select Save. com. Explore ways to connect with the global Bluebeam community. Buy now. These steps include Discover how to use Bluebeam Revu's features, navigate the interface, and master common workflows. To reach out to the sales department, drop an email As part of our Bluebeam Support Series, we’re highlighting some of the most common questions and issues our Support Team has recently seen. Using one of these laptops should give you the laptop support you Bluebeam Inc. This blog post Oversigt over supporttjenester Bluebeams tekniske supportteam er her for at levere førsteklasses teknisk support til alle, fra brugere i små til større virksomheder. Customers can Bluebeam Studio Bluebeam Studio Articles Available within the Studio panel in Revu, Sessions and Projects help streamline collaboration and management of AECO projects. As a result, Revu 20 Introduction This guide gives IT administrators the knowledge, self-sufficiency, and freedom to manage and troubleshoot all aspects of Revu across your Single sign-on (SSO) provides seamless access for your users by allowing them to access Bluebeam products using their IdP login credentials. Solution Repairing the installation through the Windows Control Panel will replace a missing file or What are the Best Laptops for Bluebeam? Now, let’s take a deeper look at the laptops we recommend to use for Bluebeam-related work. Note: For the Bluebeam Revu Management Articles If you are the license admin (i. The technical En cliquant sur « Envoyer », vous acceptez les Conditions d’utilisation du site Web de Bluebeam et vous autorisez Bluebeam à recueillir et à utiliser les informations que vous fournissez conformément à la Learn how to create and validate a Bluebeam ID (BBID) to access solutions such as Revu 21, Studio, and Bluebeam on web and mobile. First things first, make sure Revu is installed on your computer. ' Even after a Session is considered 'deleted' in the Studio portal, it For Bluebeam 's cloud-based open server studio. Today’s post focuses on: Users not Problem You're trying to register Revu 20 or below but can't locate your product key. Översikt över supporttjänster Bluebeams support erbjuder teknisk support i toppklass till alla, för användare i såväl småföretag som i stora koncerner. Revu 20 & Below Licensing Articles Bluebeam Revu 20 & below versions support open, enterprise, and perpetual licenses. Unsure of what to choose? Check Capterra to compare Adobe Acrobat and Bluebeam Revu based on pricing, features, product details, and Find the user’s email or name in the list Check the box next to their name Select Reactivate Choose the correct permission level, then click Save Select a plan, and click Save Changes If the user isn’t Bluebeam University Enroll in online, self-paced courses with Bluebeam University to learn more about your Bluebeam product. A new validation e-mail has been sent, but wasn't received. Når du klikker på "Send", accepterer du Vilkår for anvendelse for Bluebeams hjemmeside, og at Bluebeam indsamler og anvender de oplysninger, du afgiver, i henhold til Bluebeams Bluebeam on web and mobile is a suite of web and mobile solutions for AEC collaboration in the field. Contact Bluebeam technical support or get in touch with a member of our sales team today. Go to Help > Report an Bluebeam Software Maintenance is an annual maintenance program for Bluebeam Software and available for all users when you buy new Bluebeam Erreur : « Impossible de vous connecter en raison d’une erreur d’authentification » Erreur : « Oups, une erreur est survenue » lors de la tentative de création d’un compte Studio Le compte Bluebeam Bluebeam Org Admin Help Bluebeam provides you with two options for subscription management — Org Admin and Org Admin Pro. “We’re very much trying to be a proactive Call Bluebeam Cloud customer service faster, Get Support/Help, Pricing Info and more. Save the installation file to your hard drive, and then double-click it to install the software. Offer email support for general inquiries and troubleshooting. Kommer de att kunna visa filer som jag skickar till dem? Hur uppdaterar jag till Learn about subscription renewals and auto-renewals. Bluebeam phone number for customer service is 866-496-2140. As part of our Bluebeam Support Series, we’re highlighting some of the most common questions and issues our Support Team has recently seen. Transfer Bluebeam on web and mobile (formerly Bluebeam Cloud) is our subscription-based mobile solution accessible through your app or browser. Bluebeam Gateway is a web portal that lets you view and manage the Enterprise and Open Licenses for Bluebeam products. Here, you’ll find quick access to all the Find solutions to common issues you might encounter in Bluebeam Studio. thank you for your reply, time and efforts on this however, there isn't an email program parameter that is within our bluebeam After purchasing/upgrading to Revu 21, you'll receive an email invitation to activate your account. Product support lifecycle policy Bluebeam supports Revu and Bluebeam on web and mobile products for different lengths of time. e. Bluebeam End of Life (EOL) Support This article provides a rundown of the EOL cycle and a list of all current Bluebeam products that are reaching or have reached EOL. With the release of Revu 21, our subscription-based desktop solution, these Bluebeam construction software empowers AEC teams to collaborate in real time and manage projects from design to completion on any device - anywhere. Not a Bluebeam Employee or reseller? Here are some links to help you manage your licenses: | | Elke nieuwe gebruiker ontvangt vervolgens een e-mail met instructies voor toegang tot zowel Bluebeam Revu als Bluebeam op het web en mobiel. com for assistance. Select Forgot Password? on this screen to have recovery In this video Jim demonstrates how to find and use the email tool in Bluebeam Revu to create an email and attach the current PDF document in a single click using Legal Terms of Use Privacy Policy Cookie Declaration Renew or Change Your Cookie Consent Copyright © 2002 - 2026 Bluebeam, Inc. Check out our step-by-step installation guide. Select Pay Online in the invoice to complete your payment via a secure Stripe link. Provide dedicated phone lines for technical assistance. Be sure to include your contact information and as much information as possible about your technical issue in the email, Bluebeam bietet keine Fehlerbehebung oder Support für Produkte an, die eingestellt wurden. Add recipients and a message, as needed and/or desired (if you Bluebeam, Inc. bluebeam. EOL Cycle for Welcome to the Bluebeam Administration Hub. Kontakta oss | Vad kan vi hjälpa dig med? Komma igång Guide till Org Admin Implementeringsguide för Bluebeam-prenumerationer Logga in i Revu 21 med ditt Bluebeam ID Startkit för Revu 21 Introduction This guide gives IT administrators the knowledge, self-sufficiency, and freedom to manage and troubleshoot all aspects of Revu across your organization. Kontakt Bluebeam teknisk support eller vores salgsteam allerede i dag. com and attach a screenshot of your BBID validation email. com, attach the new zip folder of your log files. , and Licensing — you can view the Bluebeam 🛠️ Get technical assistance Bluebeam Community is intended for peer-to-peer collaborative knowledge sharing. Bluebeam Studio makes it simple to collaborate on documents, even if you don't own a license of Revu. Report an Issue: Opens an email message for you to send Discover how to use Bluebeam on web and mobile (formerly Bluebeam Cloud) features, navigate the interface, and master common workflows. Retrieve your Bluebeam license information quickly and easily using the RegLookup tool. Send me a daily digest of all Studio activity will send one email at the end of the day, in digest format, summarizing all Studio activity for the day. qihb lfht oyirsrm8 lzz zwdq kf3e cnf2 anp3l hty xguf