| .123 |
Lotus 1-2-3 Spreadsheet |
| .12m |
Lotus 1-2-3 SmartMaster File |
| .control |
Configure software applications |
| .bff |
Backup File Format |
| .bnd |
DB2 CLI Bind File |
| .bos |
Build Options Specification File |
| .cma |
Coach Activity File |
| .cca |
cc:Mail Archive File |
| .csaplan |
SPSS Analysis Plan File |
| .cpf |
Cognos Project File |
| .ccscc |
ClearCase Source Control Info File |
| .csplan |
SPSS Sampling Plan File |
| .dxl |
Domino XML Language File, DOORS Extension Language file |
| .dtf |
Domino Temporary File |
| .dca |
DisplayWrite Document |
| .exx |
IBM LinkWay MsgPut Intermediate File or Compressed EXE files, Ransomware files |
| .fdt |
Final Draft 5-7 Template |
| .fxf |
BigFix Action File |
| .fft |
Adobe Audition Noise Print File |
| .fm3 |
Lotus 1-2-3 Spreadsheet Format File |
| .ics |
Calendar File |
| .ipf |
Interchangeable Preservation File |
| .id |
Lotus Notes User ID File |
| .itx |
ITX Form Template |