It's possible for people to filter their search results to find only emails where they're mentioned, which may make it easier for them to seek out messages that include to-do items. When a sender mentions someone, their email is automatically added to the message's list of recipients, too.
The feature seems tailor-made for people who are frequently on large group emails and need an added tool to track what's actually relevant to them.
It's all part of Microsoft's continued work on Outlook, after acquiring mobile email app Acompli at the end of 2014. The company faces tough competition in the workplace communication space, from Google attacking it from an email standpoint and startups like Slack trying to reduce the use of email through chat and other means.
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