Software & Apps File Types What Is an AAF File? How to open, edit, & convert AAF files by Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated on May 29, 2020 File Types Design Cryptocurrency MS Office Windows Linux Google Drive Apps File Types Backup & Utilities View More Tweet Share Email A file with the AAF file extension is an Advanced Authoring Format file. It contains complex multimedia information like video and audio clips, as well as metadata information for that content and project. Most video editing programs utilize proprietary formats for their project files. When multiple programs support the importing and exporting of AAF files, it's easy to move the working contents of a project from one application to another. The AAF format was developed by the Advanced Media Workflow Association. How to Open an AAF File Several programs exist that are compatible with AAF files, including Adobe After Effects, Adobe Premiere Pro, Apple's Final Cut Pro, Avid's Media Composer (formerly Avid Xpress), Sony's Vegas Pro, and more. These programs use AAF files to import project information from another AAF supporting program or export it for use in another. Many files are text-only files meaning no matter the file extension, a text editor (like one from our Best Free Text Editors list) may be able to properly display the file's contents. However, we don't think this is the case with AAF files. At best, you might be able to view some metadata or file header information for the AAF file in a text editor but considering the multimedia components of this format, we highly doubt that a text editor will show you anything useful. If you find that an application on your PC does try to open the AAF file but it's the wrong application or if you'd rather have another installed program open AAF files, see our guide for making that change in Windows. How to Convert an AAF File The software from above that can open AAF is likely able to export the AAF file to OMF (Open Media Framework), a similar format as AAF. Converting AAF files to multimedia file formats like MP3, MP4, WAV, etc., can be done with AnyVideo Converter HD, and probably some similar video converter programs. You might also be able to convert the AAF file to these formats by opening it in one of the above programs and then exporting/saving the media files. AnyVideo Converter HD is only free for the first 15 conversions. If you can't find a free AAF converter that works, AATranslator might be a good alternative. Just be sure to buy the Enhanced Version. Still Can't Open the File? If the programs mentioned above won't open your file, double-check that you're not confusing another file extension for AAF. Those are two common letters that are used in lots of other file extensions. For example, AAC, AXX, AAX (Audible Enhanced Audiobook), AAE (Sidecar Image Format), AIFF, AIF, and AIFC might look like they could be related to AAF files but they're not. You'll most likely get an error if you try opening any of those files in an AAF file opener, and vice versa.