.ADF File Extension

ADF files exist as 7 different types. Please find information about each of them below.

Type 1: ACT! Data File

ADF files store data used by Act! software. Another ALF file saves metadata to navigate, backup, and restore the Act! database. ADF files use SQL Server formatting like .MDF files. Sage became Swiftpa...

General Information

Title ADF File Extension
Extension .adf
Full Form ACT! Data File
File Type Database File
Developer Swiftpage
MIME Type application/octet-stream

File Function

Primary Function Store data
Additional Functions Data management, Contact synchronization
Features Structured data, Indexed

File Characteristics

Quality High integrity
Supports Layers N/A
Supports Transparency N/A
Editable Via ACT!

Use Cases

Customer Management Yes
Sales Data Yes
Marketing Automation Yes

Security and Practices

Security Risks Data leakage
Best Practices Regular backups, Access control

Historical/Version Information

Initial Release 1987
Latest Version Varies with ACT! version

Associated Types

Similar Extensions .blb, .alf, .rep

Software Compatibility

Software Usage Policy OS Compatibility
ACT! by Swiftpage Paid Windows

Type 2: Amiga Disk File

Amiga Disk File (ADF) stores images of floppy disks. Before called ADF, format used in game production and backup. ADF is publicly documented disk image format. FDI files can be larger than images in ...

General Information

Title ADF File Extension
Extension .adf
Full Form Amiga Disk File
File Type Disk Image File
Developer Commodore International
MIME Type application/x-adf

File Function

Primary Function Emulate disks
Additional Functions Preserve data, Backup Amiga software
Features 1:1 copy, Sector-by-sector

File Characteristics

Quality Exact replica
Supports Layers N/A
Supports Transparency N/A
Editable With emulator

Use Cases

Retro Gaming Yes
Software Preservation Yes
Data Transfer Between emulators

Security and Practices

Security Risks Altered content
Best Practices Verify source, Scan for malware

Historical/Version Information

Associated Platform Amiga computers
Popularity Peak 1980s - 1990s

Associated Types

Related Extensions .dms, .hdf, .rom

Software Compatibility

Software Usage Policy OS Compatibility
WinUAE Free Windows
FS-UAE Free Windows, Mac, Linux
Amiga Forever Paid Windows

Type 3: ESRI ArcInfo Binary Grid Format

A file with .adf extension is a raster data file format used by ESRI software applications. Spatial data is stored as a binary grid native to ESRI. The grid has rows and columns of cells that can be i...

General Information

Title ADF File Extension
Extension .adf
Full Form ArcInfo Binary Grid File
File Type GIS Data File
Developer ESRI
MIME Type application/octet-stream

File Function

Primary Function Store geospatial data
Additional Functions Raster data representation
Features Spatial indexing, Attribute data

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency No
Editable With software

Use Cases

Geospatial Analysis Yes
Environmental Studies Yes
Urban Planning Yes

Security and Practices

Security Risks Minimal
Best Practices Regular backups, Data validation

Historical/Version Information

Initial Release 1980s
Latest Version Part of ArcGIS

Associated Types

Similar Extensions .shp, .gdb, .sde

Software Compatibility

Software Usage Policy OS Compatibility
ArcGIS Commercial Windows
QGIS Free Windows, Mac, Linux
GDAL Free Windows, Mac, Linux

Type 4: Grand Theft Auto: Vice City Audio Data File

The adf file extension is associated with the Grand Theft Auto: Vice City computer game. These adf files contain music, in the form of radio stations that players can listen to in their cars. The defa...

General Information

Title ADF File Extension
Extension .adf
Full Form Audio Data File
File Type Game Audio File
Developer Rockstar Games
MIME Type application/octet-stream

File Function

Primary Function Store audio
Additional Functions Sound playback, In-game radio

File Characteristics

Quality Game-optimized
Supports Layers No
Supports Transparency No
Editable With tools

Use Cases

Video Game Audio Yes
Radio Station Simulation Yes
Cinematic Sound In-game

Security and Practices

Security Risks Low risk
Best Practices Regular scans, Verified sources

Historical/Version Information

Initial Release 2002
Associated Game GTA: Vice City

Associated Types

Related Extensions .mp3, .wav, .ogg

Software Compatibility

Software Usage Policy OS Compatibility
Grand Theft Auto: Vice City Commercial Windows, PlayStation, Xbox, iOS, Android
MFAudio Free Windows
GTA: Vice City Audio Decoder Free Windows

Type 5: ARIS Express Document

General Information

Title ADF File Extension
Extension .adf
Full Form ARIS Express Document File
File Type Diagram File
Developer Software AG
MIME Type application/octet-stream

File Function

Primary Function Store models
Additional Functions Save diagrams
Features Graphical, Structured

File Characteristics

Quality High
Supports Layers Yes
Supports Transparency No
Editable Yes

Use Cases

Business Modeling Yes
Process Documentation Yes
Education Yes

Security and Practices

Security Risks Low
Best Practices Regular backups

Historical/Version Information

Initial Release 2009
Latest Version Varies with ARIS Express updates

Associated Types

Similar Extensions .xml, .bpm, .epc

Software Compatibility

Software Usage Policy OS Compatibility
ARIS Express Free Windows

Type 6: Archimedes Disk File

The Archimedes computers were used in the 1990s. If you own an Archimedes computer you can mount an ADF file. You can use an Archimedes emulator. Examples are Arculator, ArcEm and Archie. We also have...

General Information

Title ADF File Extension
Extension .adf
Full Form Amiga Disk File
File Type Disk Image File
Developer Commodore International
MIME Type application/octet-stream

File Function

Primary Function Emulate Amiga disks
Additional Functions Data storage, Transfer Amiga content
Features Bootable, Preserve file structure

File Characteristics

Quality Exact copy
Supports Layers N/A
Supports Transparency N/A
Editable With emulator

Use Cases

Retro Gaming Yes
Software Preservation Yes
Legacy Support Yes

Security and Practices

Security Risks Low
Best Practices Verify source, Use trusted emulator

Historical/Version Information

Initial Release 1980s
Latest Version Varies by emulator

Associated Types

Similar Extensions .dms, .hdf, .ipf

Software Compatibility

Software Usage Policy OS Compatibility
WinUAE Free Windows
FS-UAE Free Windows, Mac, Linux
Amiga Forever Paid Windows

Type 7: Actual Drawing File

You will encounter Actual Drawing ADF files if you used Actual Drawing to create a website. Since Actual Drawing is outdated, ADF files are uncommon. If you find an ADF file, open it with Actual Drawi...

General Information

Title ADF File Extension
Extension .adf
Full Form Amiga Disk File
File Type Disk Image File
Developer Commodore International
MIME Type application/octet-stream

File Function

Primary Function Disk image representation
Additional Functions Data storage, transfer
Features Sector-by-sector copy, Amiga file system structure

File Characteristics

Quality Exact copy
Supports Layers N/A
Supports Transparency N/A
Editable With tools

Use Cases

Retro Gaming Yes
Data Preservation Yes
Software Emulation Yes

Security and Practices

Security Risks Embedded malware
Best Practices Scan for viruses, use reliable software

Historical/Version Information

Initial Release 1980s
Latest Version Depends on software

Associated Types

Similar Extensions .dms, .ipf, .rom

Software Compatibility

Software Usage Policy OS Compatibility
WinUAE Free Windows
FS-UAE Free Windows, Mac, Linux
ADF Opus Free Windows