Are there limits to the size/number of messages I can send?
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Article Number : KB0011983
Published on : 2018-02-19
Last modified : 2019-01-26 00:55:47
Knowledge Base : IT Public Self Help
The size limit for a single message sent from an Office 365 email account is 30 MB. This size limit includes all attachments.
A single message sent from Office 365 can have a maximum of 500 recipients.
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