Opened teams and wanted to login again and get white page
I opened Teams today and it asked to sign in. I get the first login page, which is the Microsoft login and do so and then pick my work/school account and it transfers me to a white blank page. I right clicked and hit reload and still no luck. Rebooted nothing. Deleted ~/Library/Application Support/Microsoft/Teams folder and launched again and same problem. Seems to be a common problem among Teams across Windows, Mac, etc. Thought getting rid of ~/Library/Application Support/Microsoft/Teams would fix it, but no luck. Not sure what the fix is? macOS 10.13.6 and Teams 1.2.00.34155
C. Clavo commented
It started working for me today after several weeks by turning ON the VPN network in my computer. Afterwards it still worked turning off the VPN. I disabled GPU usage in the app settings and this fixed missing icons and broken images as well.
Reverted back to an old version and removed ~/Library/Application Support/Microsoft/Teams folder again. It was fine. Updated Teams from within Teams and it seems to be ok now. Not sure what happened all of a sudden that it started to ask me to sign in again and then gave a blank white page when it was trying to hit our local ADFS page. Other things work fine.