While not a USB app, you can enable Google Docs offline in Chrome and install Chrome Portable on a USB. When you have no internet, you edit your documents locally, and they sync when you reconnect. This is a favorite among students.
Portable software is a version of a program designed to run directly from a removable drive (USB stick, external SSD, SD card) without needing formal installation on the host computer. It leaves no traces—no registry entries, no leftover files in AppData or Program Files. microsoft word portable
LibreOffice is open-source, fully portable, and opens/saves Microsoft Word .docx files. While not a USB app, you can enable
While Microsoft does not offer an official "portable" version of Word (one that runs as a standalone Portable software is a version of a program
Official "portable" versions are limited because modern software typically requires deep system integration for security and updates. Instead, use these official mobile or web-based options:
Microsoft provides mobile and web-based versions that serve the need for on-the-go editing without a full local installation.