Outlook - email size limitations, sharing large files
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This article is intended to inform you about Outlook email size limits.
Outlook limits the size of file that can be send. “Outlook limits the size of files you can send. This limit prevents your computer from continually trying to upload very large attachments that exceed the limits of most Internet service providers.“
The email size limit for attachments to an individual email message is 35mb
Other useful information:
Ways to send large files, save files to a cloud service and share a link, and compress files for Outlook
Recommended best practices and information about file sharing