why att email won't open using safar

JKLott wrote:

safari won't open for att emal

Old issue, new issue, what changed?

What exact Mac, what exact macOS?

Quit Mail.app and quite Safari.app—relaunch both to test.

If no resolve you can try a SafeBoot https://support.apple.com/en-us/HT201262 to clear cache files, reboot as normal to test.

If no resolve, ref—https://discussions.apple.com/thread/253169449?page=3