Can someone help me for this?
What's the error message?
Please try to modify the settings as the following article said:
Allow large attachments for EWS clients such as Entourage and Mac Outlook 2011
The link Frank posted should get this working for you. The OSX Mail.app and Office 2008 (EWS)/2011 use Exchange Web Services to connect to the server which has different limits from OWA and ActiveSync.
Hi. From this post, which web.config must be changed ?
it is one or different web.config ?