Link - Microsoft Onenote Portable

While not OneNote, these "second brain" apps can be run entirely from a local folder or USB drive with minimal setup. Standard Notes:

The concept of "portable" doesn't apply to mobile OSes. However, you can install OneNote from the Play Store, and it will run off internal storage. For true portability, carry an OTG USB drive with exported .one files and use a file manager to open them via the installed OneNote app. Microsoft Onenote Portable

: Portable use via the web does not easily allow for local .one file backups; however, you can still export notes as PDFs if you need a hard copy of your data. Export notes from OneNote as a PDF - Microsoft Support While not OneNote, these "second brain" apps can

However, there is a persistent frustration among power users: What if I cannot install software on the computer I am using? Whether you are on a locked-down work laptop, a public library terminal, or a friend’s computer, you often face the dreaded "Admin privileges required" error. For true portability, carry an OTG USB drive with exported

The most "portable" way to access your notes on any computer without installing software is Microsoft OneNote for the Web