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File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

78
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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78 extensions
Letter: S Clear all
.SWM

Split Windows Imaging Format File

Archive
.SWN

Vim Swap File

Programming
.SWO

Vim Swap File

Programming
.SWP

Vim Swap File

Programming
.SXI

StarOffice Impress Presentation

Data
.SYS

System File

Data
.SWM

Split Windows Imaging Format File

Archive
.SWN

Vim Swap File

Programming
.SWO

Vim Swap File

Programming
.SWP

Vim Swap File

Programming
.SXI

StarOffice Impress Presentation

Data
.SYS

System File

Data
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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.