Reduce attachment size to send large files with Outlook
...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. For internet email accounts such as Outlook.com or Gmail, the email size limit is 20 megabytes (MB)....
https://support.microsoft.com/en-us/office/reduce-attachment-size-to-send-large-files-with-outlook-8c698842-b462-4a4c-8d53-5c5dd04f77ef
Outlook attachment size limit and how to increase it - Ablebits
...Learn how to increase max attachment size in Outlook, so you can send large files without delivery errors....
https://www.ablebits.com/office-addins-blog/outlook-attachment-size-limit-increase/
How to Increase Attachment Size Limit in Outlook
...There is a 20 MB limit on the maximum attachment size in the Outlook email client (including the latest versions of Outlook for Office 365 and Office 2019/2016). It doesn?t matter if a single large file or several small ones are attached ? the total size of attachments would not exceed 20 MB....
https://woshub.com/how-to-increase-maximum-attachment-size-limit-in-outlook/
What's my Outlook Attachment Size Limit? (2025)
...Discover Outlook's attachment limits, OneDrive integration, file types, and FAQs in this comprehensive guide aimed at optimizing your email experience!...
https://mailmeteor.com/blog/outlook-attachment-size
How to Increase Mail Attachment Size in Microsoft 365
...In Exchange Online, there is a limit for file sizes you can send and receive. This limit includes the total size of both the attachment and the size of the email. To avoid exceeding the limit, you can also upload and share it as a OneDrive link....
https://o365info.com/increase-mail-attachment-size-microsoft-365/
Increase Outlook Attachment Size Limit: Easy Fixes for 2025
...Outlook sets a default attachment size limit of 20MB to ensure smooth operation and prevent overloaded servers. This attachment limit is in effect for Outlook 2019, Outlook 2021, Outlook for Microsoft 365, and Outlook on the web....
https://smartreach.io/blog/outlook-attachment-size-limit/
Outlook Attachment Size Limit: How to Expand It Easily - Alore
...In Microsoft Outlook, the Outlook attachment size limit is a crucial factor for email management. Typically, Outlook allows attachments up to 20MB when using the desktop client, and up to 25MB via Outlook.com....
https://www.alore.io/blog/outlook-attachment-size-limit-how-to-expand-it-easily
Sending limits in Outlook.com - Microsoft Support
...What's the file attachment size limit in Outlook.com? The attachment size limit for files is 25 MB. You can also share a file from OneDrive. This way, your recipients can receive larger files and collaborate on it in real time. The attachment size limit for OneDrive files is 2GB....
https://support.microsoft.com/en-us/office/sending-limits-in-outlook-com-279ee200-594c-40f0-9ec8-bb6af7735c2e
Outlook Attachment Size Limits Explained and Managed - Exclaimer
...Outlook, like any other email client, limits the size of attachments that can be sent and received through its platform. This size limit varies depending on the type of account you've got ? whether it's a free or paid subscription ? and also differs between versions of Outlook....
https://exclaimer.com/email-signature-handbook/understanding-outlook-attachment-size-limit/
How to Increase the Outlook Attachment Size Limit
...Learn how to increase the Outlook attachment size limit to send larger files via email. Follow these simple steps to adjust settings and avoid attachment issues....
https://petri.com/outlook-attachment-size-limit/