Any time you use incognito (or private) mode, you need to be aware of ... outside of the quotes pointing to the actual browser file. With Edge, it's a space and then "inprivate" (without quotes ...
"Private Browsing." "Icognito." "Porn mode." Since 2005, every web browser has added a feature that automatically erases any record of visited websites, cookies or images. For the most part ...
Retrying the experiment with equivalent features such as Chrome's Incognito Mode and Firefox's Private Browsing ... points out that all the data from Edge browser is set up to sync by default ...