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EssaysJuly 13, 20262 min read

Email Overload: You Get 117 Emails a Day and Read 4 That Matter

Email overload is not a personal failing. It is arithmetic. Microsoft's Work Trend research puts the average knowledge worker at 117 emails a day; Atlassian's 2025 study found around 300 business emails a week, with workers checking their inbox more than 30 times an hour. Attention research from UC Irvine adds the kicker: after an interruption it takes over 23 minutes to fully refocus. Multiply and weep.

The real cost is not reading time

Reading 117 emails takes maybe forty minutes. The damage is the checking: each glance at the inbox is a context switch, and each context switch taxes the deep work around it. The inbox does not have to contain anything important to cost you: the possibility that it might is enough to pull you in thirty times an hour.

The fix, in three levels

Level 1 today, level 3 when you are ready to stop white-knuckling it. Related: How to Stop Checking Email and why Inbox Zero is a treadmill.

emailed moves your inbox into iMessage. Important mail arrives as a text.
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