What is the PIP file format?
A .pip file is a Personalized Settings file used internally by Microsoft Office applications from Office 97 through Office 2003. The format tracked which menu commands and toolbar buttons a user activated most frequently, powering the "Personalized Menus and Toolbars" feature that hid rarely used commands behind an expandable chevron.
Each Office application - Word, Excel, PowerPoint, Outlook - maintained its own .pip file, named after the application (e.g., Word.pip, Excel.pip). A secondary file such as Word2.pip stored a second usage tier. All .pip files reside in %AppData%\Microsoft\Office\. If deleted, Office automatically recreated them with zeroed usage counts on next launch.
The files were compact (typically 1-50 KB), stored in an undocumented proprietary binary format with little-endian byte ordering. They carried no user-visible content and were not portable between machines or Office versions.
The adaptive menus feature, and with it the .pip format, was discontinued in Office 2007 when Microsoft introduced the Ribbon (Fluent UI), which replaced the classic menu bar entirely. No modern Office version creates or reads .pip files. Users encountering them today are finding remnants of an Office 97-2003 installation on a legacy Windows system.
Security & safety
RISK: LOWPIP settings files are passive binary data created by Office; they cannot execute code. Old PIP files from shared systems could theoretically reveal which commands a user frequently used, but this is minimal privacy exposure.
Format details
in a nutshell- Compressed Bitmap / JPEG Image File - Some older imaging or scanning applications saved JPEG/bitmap images with a .pip extension; unrelated to Microsoft Office.
- Python pip Configuration (pip.ini / pip.conf) - Python's pip package manager uses pip.ini (Windows) or pip.conf (Unix) for configuration - plain INI text, not a .pip extension but sometimes confused with it.
Programs that open PIP files
Windows4 apps
Microsoft Word (internal, Office 97-2003 only)
Paid Word.pip is read automatically by Word 97-2003 at startup; no manual opening needed or supported.
Microsoft Excel (internal, Office 97-2003 only)
Paid Excel.pip is read automatically by Excel 97-2003; no manual opening needed.
PowerPoint (internal, Office 97-2003 only)
Paid PowerPoint.pip read automatically; feature removed in Office 2007+.
Hex editor (inspection)
Free Open in HxD or similar hex editor to inspect binary content; no human-readable output. Technical details
deep spec| File naming | [AppName].pip and [AppName]2.pip (e.g., Word.pip, Excel.pip) |
| Storage location | %AppData%\Microsoft\Office\ |
| Encoding | Proprietary binary, little-endian |
| Typical file size | 1 KB - 50 KB |
| Content | Usage-frequency counters for menu commands and toolbar buttons |
| Feature served | Personalized Menus and Toolbars (adaptive menus, Office 97-2003) |
| Recovery behavior | Office recreates the file with zeroed counts if deleted |
| Portability | Not portable between machines or Office versions |
| Associated OS | Windows only |
| Office versions | Office 97 through Office 2003 (feature removed in Office 2007) |
| Discontinued | Office 2007 - Ribbon/Fluent UI replaced adaptive menus entirely |
| Released | circa 1997 (Office 97 - adaptive menus feature) |
| Latest version | Discontinued with Office 2003/2007; adaptive menus feature removed |
PIP conversions
Community Q&A
asked by usersNo questions yet - be the first to ask about PIP files.
