Maximum File size allowed to be shared via Chats - Intercom Attachments | Community
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Maximum File size allowed to be shared via Chats - Intercom Attachments

  • February 16, 2026
  • 1 reply
  • 14 views
A

Hello all,

Could I ask, please, what is the maximum file size allowed for Attachments on the Chats in Intercom? It's important to know, as some file sizes may go up to 1GB in size that our clients may need to attach. 

Thank you all in advance!

1 reply

D
Intercom Team
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  • Dara KIntercom Team
  • Intercom Team
  • February 20, 2026

Hey ​@Andrei Froni,

For messenger (chat) uploads: 100 MB per file. No limit on number of files per message.

Incoming email (to Inbox): 20 MB total per email (including all attachments).

 

For files that are larger than 100 MB users could host the file (e.g., Drive/S3) and share a link instead.

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