1. Slack Help Center
  2. Extras
  3. Additional Info
    4. Restricted file types in Slack Connect

Restricted file types in Slack Connect

To help keep Slack secure, certain types of files cannot be added to Slack Connect channels and direct messages (DMs).


Blocked file types

  • .7z
  • .ade, .mde
  • .adp
  • .apk
  • .appx, .appxbundle
  • .aspx
  • .bat, .com, .dll, .exe, .msi
  • .cab
  • .cmd
  • .cpl
  • .dmg
  • .gz
  • .hta
  • .img
  • .ins
  • .ipa
  • .iso
  • .isp
  • .jar
  • .js
  • .jse
  • .jsp
  • .lib
  • .lnk
  • .msc
  • .msix, .msixbundle
  • .msp
  • .mst
  • .nsh
  • .pif
  • .ps1
  • .scr
  • .sct, .wsc
  • .shb
  • .sys, .vb
  • .vbe
  • .vbs
  • .vxd
  • .wsf
  • .wsh
  • .tar

Awesome!

Thanks so much for your feedback!

If you’d like a member of our support team to respond to you, please send a note to feedback@slack.com.

Was this article helpful?Yes, thanks!Not really
Sorry about that! What did you find most unhelpful?
0/600
Submit article feedback

If you’d like a member of our support team to respond to you, please send a note to feedback@slack.com.

Oops! We're having trouble. Please try again later!