Yes. Genesys Cloud messaging channels have the following size limits for transferring file attachments in inbound and outbound messages: 

• Web messaging: 10 MB limit for inbound and 25 MB for outbound
• SMS messaging: 3 MB limit
• Third party messaging platforms: 25 MB limit (Some platforms, like Facebook Messenger, have their own file size limits)
• Open messaging: 100 MB limit for inbound and 25 MB for outbound
• Email: 40 MB limit. For more information, see What are ACD email message and attachment size limits?
• Apple Messaging for Business (AMB): 100 MB limit for both outbound and inbound.