How can one view messages’ sizes in Microsoft Outlook web interface?

For example, in Microsoft Outlook standalone application, the size of each email is visible:

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I am aware that one may sort the messages by sizes. However it doesn't display the exact size of each message, and instead places the messages into vague brackets ("enormous > 5 MB; huge 1-5 MB").

1 Answer 1



Use light mode. Annoyingly it only works for primary mailbox, not delegate.

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