Exchange On-premises Attachment Size Recommendation

[Shaun Jennings]

Does Microsoft have a recommendation on what the maximum size for attachment size? We know what the supported maximum size, but is there a written recommendation for what would be the best for performance?

[#2]

Hi @Shaun Jennings 

This is the original article from microsoft:

https://docs.microsoft.com/en-us/exchange/mail-flow/message-size-limits?view=exchserver-2019

I also recommend to check out the following page:

https://www.alitajran.com/attachment-size-limit-exchange-server/

Best regards Schnittlauch