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Save yourself some time and effort.Oli Scarff/Getty Images

Emails can be a serious time sink.

As Reuters reported, one 2015 survey found that US workers spend "6.3 hours a day checking emails, with 3.2 hours devoted to work emails and 3.1 hours to personal messages."

If you want to save some time and energy, it's important to figure out how to optimize your email experience.

Here are some shortcuts that can seriously cut down on the time you spend in your inbox: