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Supported File types on Attachments in Intercom

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  • February 16, 2026
  • 2 replies
  • 135 views

Hello, this one should be pretty straightforward.

Our clients and the nature of the system we offer Support for - Access LMS Evo - require a few specific types of files to be allowed to be uploaded on the Intercom chat. The reason for this is due to the nature of our work and the types of queries our clients are raising consistently. Very often we will be asked why these files are throwing an error, and the client will require us to test/verify/analyze these file types.

The file types absolutely required to be enabled to be shared across the chat are:

.har, .zip, .rar, .7zip

.csv, .xlsx, .xls


Thank you in advance, and thank you for your understanding.

 

2 replies

Nathan Sudds
Top Expert ✨
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  • Top Expert
  • February 16, 2026

@Andrei Froni  I just answered this question on todays Intercom Community Office Hours for you ;)

The good news is, I don’t think you need to wait for a feature to be built… it’s already here! 

Go into Settings > Search and type Attachments then look for this section in Security.Toggle on the Other File Types section and put your extensions in like below and you should be good to go. 

 



P.S.  The office hours video should show up on the Intercom Events page along with my other fun facial expressions from Office Hours every Monday 


 


  • Author
  • New Participant
  • February 17, 2026

Done… and done! Perfect, thank you, kindly, Nathan Sudds! 

Wishing you a great rest of your week!