STATUS: Workaround We’re working to resolve this issue.
In the meantime, please use your Web mail when sending attachments that are larger than 25 MB.
See these articles for more information: Import information into Outlook for Mac 2011 and Import email messages, contacts, and other items into Outlook 2016 for Mac.
Last updated: August, 2017 ISSUE You are unable to add a recipient to Safe Senders in Outlook 2016 for Mac.
Last updated: August, 2017 ISSUE When you send an email with an attachment larger than 25 MB, you get an error message and the mail doesn’t go through.
STATUS: FIXED This issue has been fixed in Outlook 2016 for Mac (Version 16.12).
To get the latest update, open Outlook for Mac, go to the Help Last Updated: May 21, 2018 ISSUE You must now press the Enter key to view search results in Outlook for Mac Version 16.10.
Last updated: August, 2017 ISSUE Folders disappear after updating 10 to 02. The folders are collapsed and need to be expanded manually.
If you’d like to show the folders at the top again, please add the folders to your favorites, by clicking the star next to the folders.