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Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Email and messaging

Attachments

Learn how to use and manage email attachments.

Filelink for Large Attachments

Messages with large attachments are often rejected by mail servers. Thunderbird can use web-based storage services to send large file attachments.

Last updated: 9/29/25

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