A
- AbiWord
- ABW
- ACCDB
- ACCDE
- ACL
- ACP
- Additive manufacturing file format
- ADF Amiga Disk File
- Adobe Acrobat
- Adobe FrameMaker
- Adobe Illustrator
- Adobe InDesign
- Adobe PageMaker
- Adobe Photoshop
- ADP
- ADT
- Advanced Audio Coding/Pengodean Audio Lanjutan
- ADZ
- aec
- AFP
- Alpine Linux
- ALZip
- American National Standards Institute
- AMF
- AMI
- Amiga
- AmigaGuide
- Amstrad CPC
- Analog signal
- Android (operating system)
- ANS
- API
- APK (format berkas)
- AppleWorks
- APPX Microsoft Application Package
- APR
- ar
- ARC (file format)
- ARJ
- art
- Artificial Superintelligence
- ASC
- asc
- ASCII
- ASM
- AutoCAD
- AutoCAD DXF
- Autodesk Inventor
- Autodesk Inventor
- Autodesk Revit
- Autodesk Revit
- Autodesk Softimage
- Automatic test equipment
- AVE
- Aveva
- AVRO
- AWW
B
C
- C2D
- c3d
- C3D Toolkit
- C3P
- c4 JEDMICS
- Cabinet (file format)
- CAD
- Caddie (CAD system)
- CAM
- CAP
- CATDRAWING
- CATIA
- Catia
- CATPART
- CATPROCESS
- CATPRODUCT
- CCC
- CCF
- CCM
- CCS
- CD-ROM
- CDI
- CDL
- CDR
- cgr
- CHML
- CHP
- CIF
- CIF
- CIR
- circuit element
- ckd
- CKT
- CO
- Comma-separated values
- Commodore 64
- Computer simulation
- Computer Vision
- Computer-aided
- Corel Photo-Paint
- Corel Ventura
- CorelDRAW
- CPF
- CPT
- CPT SEA Compact Pro
- CSV
- CUE
- CWK
D
- D64
- DAA
- DAA Direct Access Archive
- Daemon Tools
- DAF
- Darwin Information Typing Architecture
- DAT
- Data Design System
- Database
- DB
- DBF
- DBK
- DDZ
- deb – Debian
- DEF Design Exchange Format
- Detailed Standard Parasitic Format
- DFT
- DGK
- DGN
- DGN
- Digital data
- Digital Geometric Kernel
- Digital Negative
- DiscJuggler
- DITA
- DMG Apple Disk Image
- DMS Disk Masher System
- DMT
- DN – Adobe Dimension CC file format
- Doc (computing)
- DocBook
- DOCM
- Domain .academy
- Domain .accountant
- Domain .actor
- Domain .agency
- Domain .airforce
- Domain .archi
- Domain .army
- Domain .art
- Domain .associates
- Domain .auction
- Domain .band
- Domain .bank
- Domain .best
- Domain .bid
- DOS
- DOS
- dotXSI
- DPE
- Drawing Express
- DRW
- DSK
- DTA
- DTP
- DVD
- DWB
- DWF
- DXF
E
F
G
I
L
M
N
O
P
S
- S*P
- S12
- Sage 200cloud
- Sage 50cloud
- SAP
- sb – Scratch file
- sb2
- SB3
- SCAD
- SCD
- SCDOC
- Scribus
- SDB
- SDC
- SDF
- SDI System Deployment Image
- SEN
- SEO (Search Engine Optimization)
- SIS
- SKB
- SKP
- SLA
- SLDASM
- SLDDRW
- SLDPRT
- SolidWorks
- SpaceClaim
- SPEF Standard Parasitic Exchange Format
- SPI
- SPICE
- Spreadsheet
- SQ (program)
- SQL
- SQLite
- SREC (file format)
- SST2
- Standard cell
- Standard Delay Format
- Standard Test Data Format
- StarOffice
- STD
- STIL
- STL (file format)
- STY
- SWM
- System on a chip
- System on a chip
- SystemVerilog
- SZS Nintendo Yaz0 Compressed Archive