[WindowsCentral.com]

Microsoft lets you recall, or 'unsend,' email messages sent using Outlook 2016 for Windows — if you meet a very specific set of requirements.

We've all been there. You had a bad day… maybe a bad week (or year). You couldn't take it anymore. Maybe you had one too many bottles of... soda and then fired off a nasty message to your boss or to a customer. Maybe you just forgot to include an important attachment or didn't run a spell check, and your message was riddled with elementary-school grammar errors.

Full story from the WindowsCentral blog...