| .ACU | Micro Focus International plc | Developer Files | Machine Independent COBOL Object File | ACUCOBOL-GT | Micro Focus International plc |
| .BCC | Broderbund | Data Files | Calendar Creator File | Borland C++ | Micro Focus International plc |
| .BCP | Blackmagic Design | Settings Files | BlackMagic Custom Palette | Borland C++ | Micro Focus International plc |
| .BCW | Micro Focus International plc | Settings Files | Borland C++ Workspace Data | Borland C++ | Micro Focus International plc |
| .BDE | Borland | Database Files | Borland Database Engine | Borland C++ | Micro Focus International plc |
| .BDSPROJ | Embarcadero Technologies | Developer Files | Borland Developer Studio Project | Borland C++ | Micro Focus International plc |
| .BORLAND | Micro Focus International plc | Uncommon Files | Borland C Makefile | Borland C++ | Micro Focus International plc |
| .CAS | Autodesk, Inc. | Data Files | Autodesk Cascade License File | Borland C++ | Micro Focus International plc |
| .CVB | Borland | Database Files | Borland Database Engine | Borland C++ | Micro Focus International plc |
| .DPR | Niklaus Wirth | Developer Files | Pascal Source Code | Borland C++ | Micro Focus International plc |
| .ETB | Project Pluto | Data Files | Project Pluto Guide Event Table | Micro Focus Extra! | Micro Focus International plc |
| .GNL | Micro Focus International plc | Data Files | GNT Analyzer Result Data | GNT Analyzer | Micro Focus International plc |
| .GNT | Micro Focus International plc | Developer Files | Micro Focus COBOL Generated Code | Visual COBOL | Micro Focus International plc |
| .H | The Eclipse Foundation | Developer Files | C/C++/Objective-C Header File | Borland C++ | Micro Focus International plc |
| .IDAPI | Borland | Developer Files | Borland Database Engine IDAPI Data | Borland C++ | Micro Focus International plc |
| .IDY | Micro Focus International plc | Data Files | Micro Focus Studio Enterprise Edition File | Studio Enterprise Edition | Micro Focus International plc |
| .II | Axialis Company | Data Files | IconWorkshop Extended Information File | Borland C++ | Micro Focus International plc |
| .JPX | Embarcadero Technologies | Developer Files | JBuilder Project | Micro Focus Together | Micro Focus International plc |
| .OBR | Micro Focus International plc | Developer Files | Borland C++ Object Browser Data | Borland C++ | Micro Focus International plc |
| .PDL | PDL Developerment Team | Developer Files | Perl Data Language File | Borland C++ | Micro Focus International plc |
| .R1W | Micro Focus International plc | Data Files | Reflection Settings | Reflection software | Micro Focus International plc |
| .R2W | Micro Focus International plc | Data Files | Reflection Settings | Reflection software | Micro Focus International plc |
| .RH | Microsoft Corporation | Developer Files | C++ Resource Header Data | Borland C++ | Micro Focus International plc |
| .RTO | Micro Focus International plc | Settings Files | Rumba File Transfer Profile | Rumba | Micro Focus International plc |
| .RWS | Ludeon Studios | Game Files | RimWorld Game Save File | Borland C++ | Micro Focus International plc |
| .RXC | Sonic Solutions | Uncommon Files | Roxio Certificate File | Reflection Desktop | Micro Focus International plc |
| .SRN | Micro Focus International plc | Data Files | Micro Focus Screen | Micro Focus Extra! | Micro Focus International plc |
| .TCH | Micro Focus International plc | Data Files | Borland C++ Help Document | Borland C++ | Micro Focus International plc |
| .TEM | E J Software | Data Files | Badge Designer 2000 Data | Borland C++ | Micro Focus International plc |
| .TXX | National Library of Medicine | Developer Files | Insight Segmentation And Registration Toolkit Data File | DataPerfect | Micro Focus International plc |
| .ULB | Micro Focus International plc | Data Files | COBOL Unisys Library File | ACUCOBOL-GT | Micro Focus International plc |
| .VIX | EditShare | Video Files | Lightworks Video Index File | ACUCOBOL-GT | Micro Focus International plc |
| .~AP | Micro Focus International plc | Database Files | Borland C++ Old AppExpert Project Database File | Borland C++ | Micro Focus International plc |
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