Genesys Cloud uses base64 to encode messages and attachments.
- The current maximum incoming and outgoing encoded message size, including attachments, is 40 MB. After the base64 encoding to the email body and file attachments, the net email size is about 29 MB.
- You can send links to larger documents stored in Genesys Cloud Documents.
- For more information about sharing a file from Documents, see About Documents and Share a file.
Note: You can request for an increase in the maximum allowed size limit. Contact your account representative with a business justification for an upgraded limit. Microsoft has a size limitation of 150 MB for Graph.