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20 MB. Attachments larger than 20 MB may not be sent or received.
How do I preview an attachment without opening it?
Microsoft Outlook allows you to view an attachment with the Preview option.
- Select an email message.
- Right-click on the attachment.
- Select "Preview" from the drop-down list.
What file types are blocked from being sent via email?
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These file types are commonly used to transmit computer viruses or other malicious programs.
Can I send Microsoft Office documents which contain macros?
No. Macro-enabled documents (.docm, .dotm, .xlsm, .xltm, .pptm, .potm, .pppsm, etc.) are routinely used to spread computer viruses and other malicious programs.
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