The best one seems to be Google. Opera runs out of memory and has to be reloaded. Most of the time it reloads quickly. The new FF is not working well with these Microsoft mail programs with the new spinning thingy at the top. The worst one is IE.
I guess I could use incognito and have both e-mail accounts open using Google.
What other browsers could work well with Hotmail dot com?
Windows 7 and we plan to bypass Windows 10 for the next one after 10. Unless we find a good deal on a Windows 10 system from a business or an individual.