In Office 2011 for Mac, installation produces 'activation' or 'sign-on' error You will need to subscribe or configure these accounts. In Outlook 2011 and Outlook 2016 for Mac, accounts that you have full mailbox permissions to - including any linked accounts - will not be added to your account list automatically.Performance issues such as slowness when interacting with mail and/or calendar Workaround: Install the latest release of Office/Outlook.For additional details on this issue, review following information.We are sorry for the inconvenience' when using Outlook 2016/2011 for Mac. Error: 'Microsoft Outlook has encountered a problem and needs to close.Microsoft acknowledges Office 2016-El Capitan crashes but lacks ETA for fix In some cases, the issue you are experiencing may have been fixed in a newer version. In addition, is it highly recommended that you always make sure you are running the latest version of Office for the Mac.Please review this article for common issue and automated troubleshooting tools. With the latest release/update to Apple OS and Office for Mac, multiple issues have risen and are being worked on.Outlook for Mac clientsįixes or workarounds for recent issues in Outlook for Mac If you are experiencing issues with an earlier version of Outlook, the UW-Madison Office 365 team recommends upgrading to a newer version of Outlook.