If you have an Outlook email account attached to your device, there's a pretty good chance you may have noticed a ton of authorization warnings happening, especially if you're on BlackBerry 10 and not a BlackBerry OS device. Microsoft took the services offline earlier and have since restored them however, mobile users still seem to be affected according to the Outlook status page.
Have you been having issues still or has it all sorted itself out? If so, feel free to sound off in the comments or in the forums. We'll adjust this post accordingly when we see mobile users reporting all is well again in the world. Also, stating the obvious here but in case you're not aware, this is not a BlackBerry only issue. It's Microsoft and could affect more than just your email as well such as contacts and calendar.