The profiles, plugins, and userprofile folders on a removable drive? but like keep firefox and portablefirefox.exe on the C:/ if you get me?
New: StressMyPC (Dec 10, 2025), Platform 30.1.3 (Nov 17, 2025)
1,400+ portable packages, 1.2 billion downloads
We're close to breaking even this year, please donate today
December 2025 Site Slowdown Being Addressed
You could alter your profiles.ini from a standard install of FF to point to the removable drive. Google for it. Just run PortableFirefox.exe on that drive first if you used it on another PC with a different drive letter previously.
Sometimes, the impossible can become possible, if you're awesome!