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File Extensions

Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.

1
Indexed file extensions
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.DOCX .7Z .AUTOCAD (DWG, DXF) .PDF .TXT .OBJ (.OBJ)

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Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.

Search by extension Enter extensions like PDF, APK, DAT, HEIC, ZIP, or DOCX.
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1 extensions
Video Letter: I Clear all
.IMOVIEPROJ

iMovie Project File

The imovieproj file is a proprietary project file format created and used exclusively by Apple's iMovie video editing software. Unlike…

Video
.IMOVIEPROJ

iMovie Project File

The imovieproj file is a proprietary project file format created and used exclusively by Apple's iMovie video editing software. Unlike a finished video file (s…

Video

Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.