| .PIF | Microsoft Corporation | Executable Files | Program Information File | Microsoft Windows | Microsoft Corporation |
| .PKGLIST | Pepper Computer | Executable Files | Pepper Keeper Package Installation File | Pepper Keeper | Pepper Computer |
| .PLSC | Microsoft Corporation | Executable Files | Messenger Plus! Live Script File | Microsoft Windows Live Messenger | Microsoft Corporation |
| .PLX | ActiveState | Executable Files | Perl Executable File | BBEdit | Bare Bones Software |
| .PRC | Adobe Systems Incorporated | Executable Files | Product Representation Compact File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .PRG | Open Source | Executable Files | Program File | Notepad++ | Don Ho |
| .PRX | Microsoft Corporation | Executable Files | FoxPro Compiled Program | Microsoft Visual FoxPro | Microsoft Corporation |
| .PVA | Hauppauge Computer Works | Executable Files | Hauppauge DVB-Software File | Hauppauge DVB-Software | Hauppauge Computer Works |
| .PVD | Varden Development | Executable Files | Polygen3D Vector Descriptor | Polygen3D | Varden Development |
| .PWC | LANovation | Executable Files | PictureTaker File | LANovation PictureTaker | LANovation |
| .PYC | Python Software Foundation | Executable Files | Python Compiled File | Python | Python Software Foundation |
| .PYO | Python Software Foundation | Executable Files | Python Optimized Code | Python | Python Software Foundation |
| .QDE | Microsoft Corporation | Executable Files | QDOS Executable | MS-DOS | Microsoft Corporation |
| .QPX | Microsoft Corporation | Executable Files | FoxPro Compiled Query Program | Microsoft Visual FoxPro | Microsoft Corporation |
| .RBX | IBM | Executable Files | Rembo-C Compiled Script | Rembo Toolkit | Open Source |
| .RGS | Microsoft Corporation | Executable Files | Registry Script | Microsoft Visual Studio | Microsoft Corporation |
| .ROB | WinTask | Executable Files | WinTask Compiled Executable | WinTask | WinTask |
| .ROX | Sonic Solutions | Executable Files | Roxio Project File | Roxio Creator NXT Pro 6 | Roxio |
| .RPJ | Uni Comp | Executable Files | Real Pac Batch Job File | Real Pac | Uni Comp |
| .RTL | Hewlett-Packard | Executable Files | Raster Transfer Language File | SwiftView | SwiftView, Inc. |
| .RUN | Open Source | Executable Files | Linux Executable File | Linux | Open Source |
| .RXE | The LEGO Group | Executable Files | Lego Mindstorms NXT Executable Program | LEGO MINDSTORMS NXT | The LEGO Group |
| .SB4 | Lindersoft | Executable Files | SetupBuilder Installation Project | SetupBuilder | Lindersoft |
| .SBS | Allegorithmic | Executable Files | Substance Package | Substance Designer | Allegorithmic |
| .SCA | Symantec Corporation | Executable Files | Norton AntiVirus Scan File | Norton Antivirus | Symantec Corporation |
| .SCAR | Interscape | Executable Files | SCAR Script File | SCAR | Interscape |
| .SCB | Scala | Executable Files | Scala Published Script | Scala Designer | Scala |
| .SCPT | Apple | Executable Files | AppleScript Script File | MacroMates TextMate | MacroMates |
| .SCR | Microsoft Corporation | Executable Files | Windows Screensaver File | Microsoft Windows | Microsoft Corporation |
| .SCRIPT | Unknown Developer | Executable Files | Generic Script File | LibreOffice | The Document Foundation |
| .SCT | Scitex | Executable Files | Scitex Continuous Tone File | Adobe Photoshop | Adobe Systems Incorporated |
| .SEED | Open Source | Executable Files | Linux Preseed File | Ubuntu | Open Source |
| .SFL | Magix Software GmbH | Executable Files | Sound Forge Pro Sound Data File | MAGIX Vegas | Magix Software GmbH |
| .SHB | Microsoft Corporation | Executable Files | Windows Document Shortcut | Microsoft Windows | Microsoft Corporation |
| .SMM | Samsung Electronics | Executable Files | Samsung Memo File | Samsung Kies | Samsung Electronics |
| .SOM | Corel | Executable Files | Corel Paradox Sort Information | Corel Paradox | Corel |
| .SPR | Valve | Executable Files | Half-Life Sprite File | Half-Life | Valve |
| .SW0 | National Instruments | Executable Files | SPICE Sweep Operations Output Data | Spice | National Instruments |
| .SXX | SAS Institute Inc. | Executable Files | SAS Stat Studio Module Executable | SAS | SAS Institute Inc. |
| .THM | Sony | Executable Files | Sony Ericsson Mobile Phone Theme File | Sony Ericsson Theme Creator | Sony Mobile Communications |
| .TMS | Telemate | Executable Files | Telemate Script | Telemate | Telemate |
| .TZX | Kromasoft | Executable Files | Tanzzle Graphic Object File | Tanzzle Game | Kromasoft |
| .U3P | SanDisk Corporation | Executable Files | U3 Platform Install Data File | WinZip | Corel |
| .U4A | Unknown Developer | Executable Files | UnInstaller Archive File | Unknown Software | Unknown Developer |
| .UDF | Open Source | Executable Files | Universal Disk Format Image File | 7-Zip | Igor Pavlov |
| .VBE | Microsoft Corporation | Executable Files | VBScript Encoded Script File | Microsoft Visual Studio | Microsoft Corporation |
| .VBS | Microsoft Corporation | Executable Files | VBScript File | Microsoft Notepad | Microsoft Corporation |
| .VDO | Unknown Developer | Executable Files | Heathen Virus File | Unknown Software | Unknown Developer |
| .VLX | Autodesk, Inc. | Executable Files | Compiled AutoLISP File | Autodesk AutoCAD Ecscad | Autodesk, Inc. |
| .VPM | Garmin | Executable Files | Garmin Voice File | TTSVoiceEditor | Open Source |
| .VXP | Interscape | Executable Files | Mobile Application File | Mediatek MRE SDK | MediaTek |
| .WCM | Corel | Executable Files | WordPerfect Macro | Corel WordPerfect X8 | Corel |
| .WIDGET | Microsoft Corporation | Executable Files | Microsoft Windows Mobile Widget | Microsoft Visual Studio | Microsoft Corporation |
| .WIZ | Microsoft Corporation | Executable Files | Microsoft Wizard File | Microsoft Word | Microsoft Corporation |
| .WORKFLOW | Apple | Executable Files | Automator Workflow | Apple Automator | Apple |
| .WPK | Corel | Executable Files | WordPerfect Macro | Corel WordPerfect X8 | Corel |
| .WS | MicroPro International Corp. | Executable Files | WordStar Document | Corel WordPerfect X8 | Corel |
| .WSF | Microsoft Corporation | Executable Files | Windows Script File | Notepad++ | Don Ho |
| .WSH | Microsoft Corporation | Executable Files | Windows Script Host Settings File | Microsoft Notepad | Microsoft Corporation |
| .XAP | Microsoft Corporation | Executable Files | XACT Project | Microsoft XACT | Microsoft Corporation |
| .XBAP | Microsoft Corporation | Executable Files | XAML Browser Application File | Microsoft Visual Studio | Microsoft Corporation |
| .XLM | Microsoft Corporation | Executable Files | Excel Macro | Microsoft Excel | Microsoft Corporation |
| .XQT | CA Technologies | Executable Files | SuperCalc Macro File | SuperCalc | CA Technologies |
| .XYS | Donald Lessau | Executable Files | XYplorer Script File | XYplorer | Donald Lessau |
| .ZL9 | ZoneAlarm | Executable Files | ZoneAlarm Quarantined EXE File | ZoneAlarm Antivirus | Check Point Software Technologies Ltd. |
| .ZPKG | Zyxel Communications | Executable Files | Zyxel NSA-32x Application Package | Unknown Software | Unknown Developer |
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