.CONFIG
Configuration File
Data
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382 extensions
Data
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.OLECONTROLEXTENSION1
Unknown OLE Control Extension File
Data
.ERR
Error Log File
Data
.PKPASS
Apple Wallet Pass
Data
.FDX
Final Draft Document
Data
.DOWNLOAD
Portable Document Format
Data
.ENV
Environment Configuration File
Data
.SAT
ACIS Solid Model
Data
.PARTIAL
Partial Download
Data
.KFX
Kindle Format 10
Data
.IGS
Initial Graphics Exchange Specification
Data
.VSD
Microsoft Visio Drawing (Legacy)
Data
.X_T
Parasolid Model Part
Data
.X_B
Parasolid Binary File
Data
.OLECONTROLEXTENSION8
Unknown OLE Control Extension 8 File
Data
.OLECONTROLEXTENSION10
OLE Control Extension 1.0
Data
.OLECONTROLEXTENSION9
Unknown OLE Control Extension 9 File
Data
.TIF (WITH ELEVATION DATA)
Tagged Image File Format with Elevation Data
Data
.OLECONTROLEXTENSION7
Unknown OLE Control Extension 7 File
Data
.OLECONTROLEXTENSION2
OLE Control Extension 2
Data
.NFC
Nintendo Family Computer ROM
Data
.FDS
Final Draft Document
Data
.OBB
Opaque Binary Blob
Data
.BAK
Backup File
Data
.CONFIG
.OLECONTROLEXTENSION1
.ERR
.PKPASS
.FDX
.DOWNLOAD
.ENV
.SAT
.PARTIAL
.KFX
.IGS
.VSD
.X_T
.X_B
.OLECONTROLEXTENSION8
.OLECONTROLEXTENSION10
.OLECONTROLEXTENSION9
.TIF (WITH ELEVATION DATA)
.OLECONTROLEXTENSION7
.OLECONTROLEXTENSION2
.NFC
.FDS
.OBB
.BAK
Configuration File
Data
Unknown OLE Control Extension File
Data
Error Log File
Data
Apple Wallet Pass
Data
Final Draft Document
Data
Portable Document Format
Data
Environment Configuration File
Data
ACIS Solid Model
Data
Partial Download
Data
Kindle Format 10
Data
Initial Graphics Exchange Specification
Data
Microsoft Visio Drawing (Legacy)
Data
Parasolid Model Part
Data
Parasolid Binary File
Data
Unknown OLE Control Extension 8 File
Data
OLE Control Extension 1.0
Data
Unknown OLE Control Extension 9 File
Data
Tagged Image File Format with Elevation Data
Data
Unknown OLE Control Extension 7 File
Data
OLE Control Extension 2
Data
Nintendo Family Computer ROM
Data
Final Draft Document
Data
Opaque Binary Blob
Data
Backup File
Data
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.