Move messages to a temporary holding folder for awhile if you like, but don't depend on the Deleted Items folder. Trying to retrieve an email from that folder is similar to trying to retrieve the Christmas present you accidentally threw out with the wrapping paper, after the garbage truck has left the neighborhood. If you're part of a large organization with IT support, someone probably deletes the contents of that folder regularly, and without your knowledge. The Deleted Items folder stores emails that you won't refer to again. 1: Use the Deleted Items folder as storage Note: This article is also available in the free PDF 30 things you should never do in Microsoft Office. Some will apply to the browser edition and some won't. I'm using Outlook 2016 (desktop), but you can apply these items to earlier versions.

Excel is still a security headache after 30 years because of this one feature.How to see who is trying to break into your Office 365 and what they're trying to hack.