.PE | Microsoft Corporation | Executable Files | Portable Executable File | Microsoft Windows | Microsoft Corporation |
.PEF | Pentax | Camera Raw Files | Pentax Digital Camera Raw Image Format | ACD Systems Canvas | Microsoft Corporation |
.PEM | Microsoft Corporation | Web Files | Privacy Enhanced Mail Certificate | Microsoft IIS | Microsoft Corporation |
.PER | Microsoft Corporation | Game Files | Age Of Empires Personality File | Microsoft Notepad | Microsoft Corporation |
.PERFMONCFG | Microsoft Corporation | Settings Files | Performance Monitor Configuration File | Windows Performance Monitor | Microsoft Corporation |
.PERL | Larry Wall | Developer Files | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
.PF | Smith Micro Software | Compressed Files | Private File | Microsoft Prefetcher | Microsoft Corporation |
.PFILE | Microsoft Corporation | Encoded Files | Rights Management Protected File | Azure Rights Management | Microsoft Corporation |
.PFM | Adobe Systems Incorporated | Font Files | Printer Font Metrics File | Microsoft Windows Font Viewer | Microsoft Corporation |
.PFX | Various Developers | System Files | PKCS #12 Certificate File | Certificate Manager Tool | Microsoft Corporation |
.PGM | Jef Poskanzer | Raster Image Files | Portable Gray Map Image | ACD Systems Canvas | Microsoft Corporation |
.PGP | Autodesk, Inc. | Settings Files | AutoCAD Program Parameters File | Microsoft Notepad | Microsoft Corporation |
.PGX | Hopedot Electronics | Disk Image Files | Hopedot VOS Data File | Microsoft Visual Basic | Microsoft Corporation |
.PHL | Amazon | eBook Files | Kindle Popular Highlights File | Microsoft Notepad | Microsoft Corporation |
.PHP | Panic | Web Files | PHP Source Code File | Microsoft Notepad | Microsoft Corporation |
.PHP4 | Open Source | Web Files | PHP 4 Web Page | Internet Explorer | Microsoft Corporation |
.PHP5 | Open Source | Web Files | PHP 5 Web Page | Microsoft Edge | Microsoft Corporation |
.PHT | Microsoft Corporation | Web Files | Partial Hypertext | Internet Explorer | Microsoft Corporation |
.PHTM | The Catalina Group | Web Files | PHP-Based Web Page | Microsoft Notepad | Microsoft Corporation |
.PHTML | Opera Software | Web Files | PHP Web Page | Internet Explorer | Microsoft Corporation |
.PIC | John Bridges | Raster Image Files | Generic Picture File | ACD Systems Canvas | Microsoft Corporation |
.PIF | Microsoft Corporation | Executable Files | Program Information File | Microsoft Windows | Microsoft Corporation |
.PIP | Microsoft Corporation | Settings Files | Office Personalized Settings File | Microsoft Excel | Microsoft Corporation |
.PJP | Joint Photographic Experts Group | Raster Image Files | JPEG Image | Microsoft Windows Photos | Microsoft Corporation |
.PJPEG | Microsoft Corporation | Raster Image Files | Progressive JPEG Image | Internet Explorer | Microsoft Corporation |
.PJT | Golden Software LLC | Data Files | Didger Project File | Microsoft Visual FoxPro | Microsoft Corporation |
.PJX | Microsoft Corporation | Developer Files | Visual FoxPro Project | Microsoft Visual FoxPro | Microsoft Corporation |
.PKB | Oracle Corporation | Developer Files | Oracle Package Body File | Microsoft Notepad | Microsoft Corporation |
.PKG | Apple | Compressed Files | Apple MacOS Installer Package | Microsoft Visual Studio | Microsoft Corporation |
.PKGDEF | Microsoft Corporation | Settings Files | Microsoft Visual Studio Shell Data | Microsoft Visual Studio | Microsoft Corporation |
.PKGUNDEF | Microsoft Corporation | Developer Files | Microsoft Visual Studio Shell File | Microsoft Visual Studio | Microsoft Corporation |
.PKN | Microsoft Corporation | Data Files | Systems Management Server (SMS) Package Creation Notification | Microsoft Systems Management Server | Microsoft Corporation |
.PKP | Microsoft Corporation | Developer Files | Visual Studio Packaging Project | Microsoft Visual Studio | Microsoft Corporation |
.PKS | Oracle Corporation | Data Files | Oracle Package Spec File | Microsoft Notepad | Microsoft Corporation |
.PL | Larry Wall | Developer Files | Perl Source Code | Microsoft Notepad | Microsoft Corporation |
.PLB | Microsoft Corporation | Data Files | Microsoft Robotics Developer Studio Playback Data | Microsoft Robotics Developer Studio | Microsoft Corporation |
.PLG | Microsoft Corporation | Developer Files | Visual Studio Build Log File | Microsoft Visual Studio | Microsoft Corporation |
.PLIST | Apple | Settings Files | Property List XML File | Microsoft Notepad | Microsoft Corporation |
.PLN | Microsoft Corporation | Game Files | Flight Simulator Flight Plan | Microsoft Flight Simulator | Microsoft Corporation |
.PLR | Re-Logic | Game Files | Terraria Player File | Microsoft Notepad | Microsoft Corporation |
.PLSC | Microsoft Corporation | Executable Files | Messenger Plus! Live Script File | Microsoft Windows Live Messenger | Microsoft Corporation |
.PM5 | Adobe Systems Incorporated | Page Layout Files | PageMaker 5.0 Document | Microsoft Notepad | Microsoft Corporation |
.PMA | David Harris | Compressed Files | Pegasus Mail Data Archive File | MSX | Microsoft Corporation |
.PMC | David Harris | Data Files | Pegasus Mail Filter Rule Files | Windows Performance Monitor | Microsoft Corporation |
.PML | Microsoft Corporation | Data Files | Process Monitor Log File | Process Monitor | Microsoft Corporation |
.PMQ | Microsoft Corporation | Developer Files | Microsoft Target Analyzer File | Microsoft Windows Embedded Studio | Microsoft Corporation |
.PMR | Avid Technology | Data Files | Avid Persisent Media Record File | Windows Performance Monitor | Microsoft Corporation |
.PMW | David Harris | Data Files | Pegasus Mail Outgoing Draft Message | Windows Performance Monitor | Microsoft Corporation |
.PNF | Microsoft Corporation | System Files | Precompiled INF File | Microsoft Windows | Microsoft Corporation |
.PNG | The Pixelmator Team | Raster Image Files | Portable Network Graphics | Microsoft Windows Photos | Microsoft Corporation |
.PNO | Microsoft Corporation | Audio Files | Windows 8 Piano Song | Microsoft Windows 8 | Microsoft Corporation |
.PO | Sublime HQ Pty Ltd | Developer Files | Portable Object | Microsoft Notepad | Microsoft Corporation |
.POD | Terminal Reality | Game Files | Terminal Reality Game Data File | Microsoft Notepad | Microsoft Corporation |
.POL | Microsoft Corporation | System Files | Windows Policy File | Microsoft Group Policy Object Editor | Microsoft Corporation |
.POP | Valve | Game Files | Team Fortress 2 Population File | Microsoft Windows Photos | Microsoft Corporation |
.POT | Microsoft Corporation | Data Files | PowerPoint Template | Microsoft PowerPoint | Microsoft Corporation |
.POTM | Microsoft Corporation | Data Files | PowerPoint Open XML Macro-Enabled Presentation Template | Microsoft PowerPoint | Microsoft Corporation |
.POTX | Microsoft Corporation | Data Files | PowerPoint Open XML Presentation Template | Microsoft PowerPoint | Microsoft Corporation |
.POW | Microsoft Corporation | Settings Files | Microsoft Windows Power Schema | Microsoft Windows | Microsoft Corporation |
.PP | Geckonization | Data Files | Pocket Physics Sketch File | Microsoft Notepad | Microsoft Corporation |
.PPA | Microsoft Corporation | Plugin Files | PowerPoint Add-in | Microsoft PowerPoint | Microsoft Corporation |
.PPAM | Microsoft Corporation | Plugin Files | PowerPoint 2007 Add-In | Microsoft Powerpoint 2016 | Microsoft Corporation |
.PPC | Garmin | GIS Files | XMap Flight Plan Statistic File | Microsoft PowerPoint | Microsoft Corporation |
.PPG | Microsoft Corporation | Text Files | Microsoft PowerPoint Presentation | Microsoft PowerPoint | Microsoft Corporation |
.PPI | Microsoft Corporation | Graphic Files | Microsoft PowerPoint Graphics Data | Microsoft PowerPoint | Microsoft Corporation |
.PPKG | Microsoft Corporation | Data Files | Microsoft Windows Provisioning Package | Microsoft Windows | Microsoft Corporation |
.PPM | The GIMP Development Team | Raster Image Files | Portable Pixmap Image File | ACD Systems Canvas | Microsoft Corporation |
.PPS | Microsoft Corporation | Data Files | PowerPoint Slide Show | Microsoft PowerPoint | Microsoft Corporation |
.PPSM | Microsoft Corporation | Data Files | PowerPoint Open XML Macro-Enabled Slide Show | Microsoft Powerpoint 2016 | Microsoft Corporation |
.PPSX | Microsoft Corporation | Data Files | PowerPoint Open XML Slide Show | Microsoft PowerPoint | Microsoft Corporation |
.PPT | Microsoft Corporation | Data Files | PowerPoint Presentation | Microsoft PowerPoint | Microsoft Corporation |
.PPTM | Microsoft Corporation | Data Files | PowerPoint Open XML Macro-Enabled | Microsoft PowerPoint | Microsoft Corporation |
.PPTMHTML | Microsoft Corporation | Web Files | Microsoft PowerPoint MIME HTML Presentation | Microsoft PowerPoint | Microsoft Corporation |
.PPTX | Microsoft Corporation | Data Files | PowerPoint Open XML Presentation | Microsoft PowerPoint | Microsoft Corporation |
.PPTXML | Microsoft Corporation | Uncommon Files | Microsoft Powerpoint XML Presentation File | Microsoft PowerPoint | Microsoft Corporation |
.PPV | Microsoft Corporation | Data Files | Pocket PowerPoint Presentation | Microsoft PowerPoint | Microsoft Corporation |
.PRD | SoftMaker Software | Data Files | SoftMaker Presentations Document | Microsoft Word | Microsoft Corporation |
.PRE | IBM | Data Files | Lotus Freelance Graphics File | Microsoft PowerPoint | Microsoft Corporation |
.PRF | Microsoft Corporation | Settings Files | Outlook Profile File | Microsoft Outlook 2016 | Microsoft Corporation |
.PRG | Open Source | Executable Files | Program File | Microsoft Word | Microsoft Corporation |
.PRI | The Qt Company | Developer Files | Qt Project Include File | Microsoft Visual Studio | Microsoft Corporation |
.PRINTEREXPORT | Microsoft Corporation | System Files | Windows Printer Migration File | Microsoft Windows 7 | Microsoft Corporation |
.PRJ | Unknown Developer | Data Files | Project File | Microsoft Visual Studio | Microsoft Corporation |
.PRN | Various Developers | Page Layout Files | HP PCL Printer Output | Microsoft Excel | Microsoft Corporation |
.PROPERTIES | Mojang | Game Files | Minecraft Properties File | Microsoft Notepad | Microsoft Corporation |
.PROPS | Microsoft Corporation | Settings Files | Microsoft Visual Studio Property Sheet | Microsoft Visual Studio | Microsoft Corporation |
.PROVXML | Microsoft Corporation | Settings Files | Microsoft Windows Provisioning XML Data | Windows Mobile | Microsoft Corporation |
.PRT | PTC | CAD Files | Pro/ENGINEER Part File | Microsoft Windows | Microsoft Corporation |
.PRV | E-on Software, Inc. | 3D Image Files | Vue Preview File | Microsoft Publisher | Microsoft Corporation |
.PRX | Microsoft Corporation | Executable Files | FoxPro Compiled Program | Microsoft Visual FoxPro | Microsoft Corporation |
.PS1 | Microsoft Corporation | Developer Files | Windows PowerShell Shell Script | Microsoft Windows PowerShell | Microsoft Corporation |
.PS1XML | Microsoft Corporation | Settings Files | Windows PowerShell Display Configuration File | Microsoft Windows PowerShell | Microsoft Corporation |
.PS2 | Datel | Game Files | Sharkport Saved Game File | Microsoft Windows | Microsoft Corporation |
.PS2XML | Microsoft Corporation | Developer Files | Windows PowerShell File | Microsoft Windows PowerShell | Microsoft Corporation |
.PSC1 | Microsoft Corporation | Settings Files | Windows PowerShell Console File | Microsoft Windows PowerShell | Microsoft Corporation |
.PSC2 | Microsoft Corporation | Settings Files | Windows PowerShell Console File | Microsoft Windows PowerShell | Microsoft Corporation |
.PSD | Adobe Systems Incorporated | Raster Image Files | Adobe Photoshop Document | ACD Systems Canvas | Microsoft Corporation |
.PSD1 | Microsoft Corporation | Developer Files | Windows PowerShell Data File | Microsoft Windows PowerShell | Microsoft Corporation |
.PSESS | Microsoft Corporation | Developer Files | Microsoft Visual Studio Performance Session | Microsoft Visual Studio | Microsoft Corporation |
.PSHADER | Microsoft Corporation | Data Files | Microsoft Visual Studio Data File | Microsoft Visual Studio | Microsoft Corporation |