| .PKPASS |
Apple Wallet Pass (formerly Passbook) |
| .DAT |
Program Data File (generic) |
| .JSON |
JavaScript Object Notation file |
| .RIS |
Research Information Systems citation file |
| .OFX |
Open Financial Exchange |
| .CSV |
Comma-Separated Values |
| .GGB |
GeoGebra Document |
| .CAP |
Packet Capture file (network trace) - primary meaning |
| .MPP |
Microsoft Project Plan |
| .DATA |
Analysis Studio Data File |
| .FLIPCHART |
ActivInspire Flipchart (Promethean interactive whiteboard lesson) |
| .TSV |
Tab-Separated Values |
| .RPT |
SAP Crystal Reports File |
| .VCF |
vCard (Virtual Contact File) |
| .NC |
netCDF (Network Common Data Form) |
| .DTA |
Stata Data File |
| .XML |
Extensible Markup Language Document |
| .JRPRINT |
JasperReports Print File |
| .LAS |
LASer (LIDAR point cloud) file |
| .PDO |
Pepakura Designer Document |
| .PRO |
Qt qmake Project File (.pro) |
| .FDF |
Forms Data Format (Adobe Acrobat PDF form data) |
| .PCAPNG |
PCAP Next Generation Capture File |
| .ONE |
Microsoft OneNote Section |
| .MMAP |
MindManager Mind Map (.mmap) |
| .DOI |
BIRT Data Object Instance |
| .EDI |
Electronic Data Interchange Document |
| .JEF |
Janome Embroidery File |
| .MEGA |
Megacubo Metafile |
| .BPM |
Trados Studio AutoSuggest Dictionary |
| .DB- |
Norton Protected Recycle Bin (NProtect) Database File |
| .PCAP |
Packet Capture (libpcap) File |
| .OUT |
Output File |
| .INK |
MimioStudio Notebook (INK) File |
| .EDF |
European Data Format (biosignal recording) |
| .SOR |
Standard OTDR Record (Telcordia/Bellcore SR-4731 OTDR trace) |
| .CRTX |
Microsoft Office Chart Template |
| .EC4 |
EPSON Print CD label design document |
| .ENW |
EndNote import file |
| .SLX |
Simulink Model File |
| .QIF |
Quicken Interchange Format |
| .IES |
IESNA Photometric Data File |
| .LBX |
Visual FoxPro Label Definition File |
| .LNG |
Language Definition File |
| .XMCD |
PTC Mathcad Worksheet File (XML) |
| .SPV |
SPSS Output Document |
| .PKT |
Cisco Packet Tracer Network Simulation File |
| .GED |
GEDCOM Genealogy Data File |
| .MCDX |
PTC Mathcad Prime Worksheet File |
| .XBRL |
eXtensible Business Reporting Language Instance Document |
| .STA |
Abaqus Status File |
| .JNT |
Windows Journal Note |
| .PLAN |
Calligra Plan Project Document |
| .TBL |
Table File (generic table/data file) |
| .VPJ |
Pixbend Studio Project File |
| .XYZ |
XYZ Molecular Coordinates File (Cartesian chemical model) |
| .LACCDB |
Microsoft Access Lock File (ACCDB) |
| .QM |
Qt Compiled Translation File |
| .VAULT |
Fontcase Vault File |
| .TWBX |
Tableau Packaged Workbook |
| .LDT |
EULUMDAT Photometric Data File |
| .CAR |
Biosym/Insight II Cartesian Coordinate File |
| .GAN |
GanttProject Project File |
| .STR |
dBASE Structure List Object File |
| .MAT |
MATLAB MAT-File (Data) |
| .CONTACT |
Windows Contact File |
| .EPW |
EnergyPlus Weather File |
| .FIL |
dBASE Application Generator File Template |
| .QDF |
Quicken Data File |
| .CMAP |
CmapTools Concept Map |
| .INP |
Abaqus Input File (analysis input deck) |
| .GSLIDES |
Google Slides Shortcut (Link to a Google Slides presentation) |
| .FASTA |
FASTA Sequence File (DNA / RNA / Protein) |
| .TST |
TestPoint Test File |
| .PKA |
Cisco Packet Tracer Activity File |
| .RDATA |
R Workspace / Saved Objects File |
| .LDIF |
LDAP Data Interchange Format File |
| .DAD |
Chromeleon Channel Raw Data |
| .GPI |
Garmin Point of Interest File |
| .ORG |
Lotus Organizer Data File |
| .TDT |
THOR Data Tree File |
| .ZIM |
ZIM Offline Wiki Archive |
| .CMS |
CaseMap Case Script File |
| .OPJ |
Origin Project |
| .SBX |
Adobe Illustrator Tsume Data File |
| .GRAPHML |
Graph Markup Language File |
| .VCE |
Visual CertExam Suite Exam File |
| .GRF |
DPlot Graph Data File |
| .TRA |
WinTrack Railroad Track Layout File |
| .RDA |
R Data File |
| .H5 |
Hierarchical Data Format Version 5 |
| .JASPER |
JasperReports Compiled Report File |
| .HST |
Yahoo! Messenger History File |
| .PAF |
Personal Ancestral File (PAF) Database |
| .HDA |
HotDocs Auto-Assemble Template File |
| .RP |
Axure RP Project File |
| .AB1 |
Applied Biosystems DNA Sequencing File (ABIF) |
| .KAD |
Native Instruments Kore User Database File |
| .TBK |
ToolBook File |
| .TMX |
Translation Memory eXchange |
