List of filename extensions

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This alphabetical list of filename extensions contains extensions used by multiple notable applications or services.


Ext. Description Used by
.3DS[citation needed] 3D Studio Graphics format Autodesk 3ds Max
.3DS cartridge for a Nintendo 3DS
3G2[1] Mobile Phone Video
3GP[2] Mobile Phone Video
3MF[3] 3D Manufacturing Format 3D Builder
7z[4] A compressed archive file format that supports several different data compression, encryption and pre-processing algorithms





See also[edit]


  1. ^ 3GPP2 (2003). "3GPP2 C.S0050, 3GPP2 File Formats for Multimedia Services, File Format for Multimedia Services for cdma2000". 3GPP2. Retrieved 2009-06-12.
  2. ^ ETSI 3GPP 3GPP TS 26.244; Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP) Retrieved on 2009-06-02.
  3. ^ "Specification". 3MF Consortium. Retrieved 2020-09-12.
  4. ^ "7z Format". Retrieved 2020-09-12.