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.
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.
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The Windows Imaging Format (WIM) is a file-based disk image format developed by Microsoft to facilitate the deployment of the Windows…
A TIB file is a disk image file created by Acronis True Image software, which is now known as Acronis Cyber Protect Home Office. This…
The PBD file extension is primarily associated with EaseUS Todo Backup, a comprehensive backup and disaster recovery solution. A PBD f…
The MPQ (MoPaQ) file format is a proprietary archive format developed by Mike O'Brien, a co-founder of ArenaNet and a former developer…
The .001 file extension is primarily used to denote the first segment of a multi-volume split archive. When a large file or a collecti…
An S01 file represents the first segment of a multi-volume compressed archive, typically generated by file compression and archiving u…
A Split Windows Imaging Format (SWM) file is a specific type of file used by Microsoft Windows deployment tools to handle large disk i…
The RAR (Roshal Archive) file format is a proprietary archive file format that supports data compression, error recovery, and file spa…
A BSA file is a proprietary resource container format developed by Bethesda Softworks for use in their proprietary game engines, most…
The Z01 file extension represents the first segment of a split or multi-volume compressed ZIP archive. When a user needs to compress a…
The z02 file extension is part of a multi-volume or split archive created by compression software, most notably WinZip. When a large c…
A file with the 7z.001 extension represents the first segment of a multi-part split 7-Zip compressed archive. When archiving exception…
A file with the SPK extension is a Synology Package file used specifically by Synology Network Attached Storage (NAS) devices. These f…
The TIBX file extension is a proprietary backup format developed by Acronis, primarily used in their flagship software, Acronis Cyber…
The z03 file extension is part of a multi-volume or split archive created by compression utilities such as WinZip, 7-Zip, or WinRAR. W…
The PCK file extension is most commonly associated with the Godot Engine, a popular open-source 2D and 3D game engine. In this context…
A file with the zip.001 extension represents the first segment of a multi-volume split ZIP archive. When a user compresses a large set…
The Windows Imaging Format (WIM) is a file-based disk image format developed by Microsoft to facilitate the deployment of the Windows operating system. Unlike…
A TIB file is a disk image file created by Acronis True Image software, which is now known as Acronis Cyber Protect Home Office. This format is used to store a…
The PBD file extension is primarily associated with EaseUS Todo Backup, a comprehensive backup and disaster recovery solution. A PBD file serves as a proprieta…
The MPQ (MoPaQ) file format is a proprietary archive format developed by Mike O'Brien, a co-founder of ArenaNet and a former developer at Blizzard Entertainmen…
The .001 file extension is primarily used to denote the first segment of a multi-volume split archive. When a large file or a collection of data is too big to…
An S01 file represents the first segment of a multi-volume compressed archive, typically generated by file compression and archiving utilities like WinRAR or 7…
A Split Windows Imaging Format (SWM) file is a specific type of file used by Microsoft Windows deployment tools to handle large disk images. When a standard Wi…
The RAR (Roshal Archive) file format is a proprietary archive file format that supports data compression, error recovery, and file spanning. The 'part1.rar' na…
A BSA file is a proprietary resource container format developed by Bethesda Softworks for use in their proprietary game engines, most notably the Gamebryo and…
The Z01 file extension represents the first segment of a split or multi-volume compressed ZIP archive. When a user needs to compress a very large file or folde…
The z02 file extension is part of a multi-volume or split archive created by compression software, most notably WinZip. When a large collection of files or a s…
A file with the 7z.001 extension represents the first segment of a multi-part split 7-Zip compressed archive. When archiving exceptionally large files or direc…
A file with the SPK extension is a Synology Package file used specifically by Synology Network Attached Storage (NAS) devices. These files are essentially comp…
The TIBX file extension is a proprietary backup format developed by Acronis, primarily used in their flagship software, Acronis Cyber Protect Home Office, whic…
The z03 file extension is part of a multi-volume or split archive created by compression utilities such as WinZip, 7-Zip, or WinRAR. When a large collection of…
The PCK file extension is most commonly associated with the Godot Engine, a popular open-source 2D and 3D game engine. In this context, a PCK file is a package…
A file with the zip.001 extension represents the first segment of a multi-volume split ZIP archive. When a user compresses a large set of files or folders, the…
Everything you need to know about file extensions