Just a reminder that from October 2018 Microsoft will be blocking weak security traffic. Your systems need to have TLS 1.2 or above enabled or you will no longer be able to access your Office 365 services online.
If you use any of these versions start planning your upgrade NOW!
- Android 4.3 and earlier versions
- Firefox version 5.0 and earlier versions
- Internet Explorer 8-10 on Windows 7 and earlier versions
- Internet Explorer 10 on Win Phone 8.0
- Safari 6.0.4/OS X10.8.4 and earlier versions
There may be others so do check carefully.