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mark398 asked KaelYao-MSFT commented

Attachment Size Issue

Hello All,

We have exchange 2019 and i did modify attachment size limit to 101 mb. I tested it for 70 mb and it worked fine, then it tried to send same file 70mb but sometimes the attachment disappear (meaning after selecting the attachment file and it took time to upload then there is no attach on the mail) or sometimes i got the following error:

The following files couldn't be attached: Filename. Please try again later.

but if i click send, then it will send the attach but 56 mb size "not 70 mb".

Also when uploading attached to the mail, its crawling and takes around 1 minute or more.


office-exchange-server-administrationoffice-exchange-server-mailflowoffice-exchange-server-connectivity
· 8
5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.

Hi @HamoudaAlbakri-3924

I tested it for 70 mb and it worked fine

Did the recipient receive the email with the attachment?

then it tried to send same file 70mb but sometimes the attachment disappear (meaning after selecting the attachment file and it took time to upload then there is no attach on the mail) or sometimes i got the following error:

Have you tried with another browser or cleaned the browser cache?


Besides, if you use Outlook for Windows instead, would the issue persist?

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I did restart domain controller and both exchange servers but still the same

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@KaelYao-MSFT

I tried it on 3 different browsers and i cleared cache as well.

Im able to send the same file from MS OUTLOOK, when i tried to upload the attachment "51 mb" from OWA then it goes to draft and the size is 14 mb instead of 51 mb

recipient received the attached from MS OUTLOOK "51 mb" and received it from OWA "14 mb"

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Hi,

Have you tried with another attachment that has the same size around 70MB?
Would the issue persists?

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yes i did tired with 32 bm and now its not accept it as well. i got the following error:

200744-image.png

and it went to draft and it became 28 mb:

200745-image.png

i sent it from draft again and i received it :

200608-image.png


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