- Outlook For Mac 2016 Attachment Size Limit Chart
- Outlook For Mac 2016 Attachment Size Limit Office 365
- Outlook For Mac 2016 Attachment Size Limit File
Original KB number: 3146087
Nov 03, 2017 A client is using Outlook for Mac version 15. There is an existing POP account, and I have created an IMAP account with the intent of moving the mail data to the server and removing the POP account. Most of the data has moved to the server, and these messages have begun popping up: 'The total attachment size exceeds the limit. May 19, 2019 If you are using an Exchange Server account, the 20-MB attachment limit for Internet email accounts is not used by Outlook. Instead, Outlook uses the limit that is configured on your Exchange server. To modify the setting that is used to control the size of a message that is sent through an Exchange Server account, follow these steps. 250 attachments: File attachment size limit - Outlook: 35 MB 4: 150 MB: 150 MB: 150 MB: File attachment size limit - OWA: 35 MB 4: 112 MB 3: 112 MB 3: 112 MB 3: File attachment size limit - Outlook for Mac: 35 MB 4: 150 MB: 150 MB: 35 MB: File attachment size limit - Outlook for iOS and Android: 25 MB: 33 MB: 33 MB: 33 MB: Multipart message.
Symptoms
You use Microsoft Outlook 2016 for Mac or Outlook for Mac 2011 to connect to a mailbox on a Microsoft Exchange server. When you send an email message that contains a large attachment, you receive the following error messages in Outlook for Mac.
Or, you receive a non-delivery report (NDR) in your Inbox like this one:
The message contains diagnostic information for administrators, such as the following:
Os x 10.9 mavericks dmg. Remove Server returned '500 5.2.11 RESOLVER.RST.SendSizeLimit.Sender; message too large for this sender'
Cause
This issue occurs when you send an email message that's larger than the Exchange Web Services (EWS) message size limit that's configured on the Exchange server.
Resolution
Outlook For Mac 2016 Attachment Size Limit Chart
You can increase the message size limit on the Exchange server to allow for larger email messages to be sent from Outlook for Mac clients and other EWS clients. For more information, see the following TechNet articles as appropriate for your version of Exchange Server.
Exchange Server 2016 and 2013: Configure client-specific message size limits
Exchange Server 2010: Set message size limits for Exchange Web Services
More information
For more information about this issue, see the following article in the Microsoft Knowledge Base:
Outlook For Mac 2016 Attachment Size Limit Office 365
Outlook For Mac 2016 Attachment Size Limit File
3107326 You can't send large attachments by using the EWS client