Product limits - Mattermost

This page describes some of the product limits that apply to Mattermost, including hard and recommended limits.

<table> <thead> <tr> <th>Feature</th> <th>Hard Limit</th> <th>Recommended Limit</th> </tr> </thead> <tbody> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Fcreate-channels">Group messages</a></td> <td>8 participants</td> <td>If 8 isn't enough, create a private channel</td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Fmake-calls">Call participants</a></td> <td>Unlimited</td> <td>50</td> </tr> <tr> <td><a href="mm-ref:administration-guide%2Fconfigure%2Fcustom-branding-tools%3Acustom%20brand%20text">Custom brand text</a></td> <td>500</td> <td></td> </tr> <tr> <td><a href="mm-ref:administration-guide%2Fconfigure%2Fcustom-branding-tools%3Asite%20description">Custom site description</a></td> <td>1024</td> <td></td> </tr> <tr> <td><a href="mm-ref:administration-guide%2Fmanage%2Flogging%3Aadvanced%20logging">Advanced log output</a></td> <td>500 MB file size, 1000 audit records</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fpreferences%2Fset-your-status-availability%3Aset%20a%20custom%20status">Custom status</a></td> <td>100 characters</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fchannel-header-purpose%3Achannel%20name">Channel name</a></td> <td>64 characters</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fchannel-header-purpose%3Achannel%20purpose">Channel purpose</a></td> <td>250 characters</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fchannel-header-purpose%3Achannel%20header">Channel header</a></td> <td>1024 characters</td> <td></td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Fmanage-channel-bookmarks">Bookmarked links & files</a></td> <td>50</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fmessage-priority%3Arequest%20acknowledgements">Message acknowledgement</a> response time</td> <td>5 minutes</td> <td></td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Forganize-using-custom-user-groups">Custom user group</a> notifications</td> <td>256 users per group</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Freact-with-emojis-gifs%3Aquick%20emoji%20reactions">Emoji reactions</a> per message</td> <td>50</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Freact-with-emojis-gifs%3Aupload%20custom%20emojis">Custom emoji uploads</a></td> <td>6000</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fteam-settings%3Ateam%20description">Team description</a></td> <td>50 characters</td> <td></td> </tr> <tr> <td><a href="mm-ref:administration-guide%2Fconfigure%2Fenvironment-configuration-settings%3Asession%20length%20for%20sso">SSO user session duration</a></td> <td>30 days</td> <td></td> </tr> <tr> <td><a href="mm-ref:administration-guide%2Fconfigure%2Fenvironment-configuration-settings%3Asession%20length%20for%20mobile">Mobile user session duration</a></td> <td>30 days</td> <td></td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Fshare-files-in-messages">Attachments per message</a> (files or images)</td> <td>10</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fshare-files-in-messages%3Aattachment%20limits%20and%20sizes">Attachment file size</a></td> <td>100 MB</td> <td>Configurable</td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fshare-files-in-messages%3Aattachment%20limits%20and%20sizes">Attachment image file size</a></td> <td>253 MB</td> <td>Configurable</td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fshare-files-in-messages%3Aattachment%20limits%20and%20sizes">Attachment dimensions</a></td> <td>7680 pixels x 4320 pixels</td> <td>Configurable</td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Fshare-files-in-messages%3Aattachment%20limits%20and%20sizes">Attachment image resolution size</a></td> <td>33 MP (mega pixels) or 8K resolution</td> <td>Configurable</td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fpreferences%2Fmanage-your-profile">User nickname</a></td> <td>64 characters</td> <td></td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Fsend-messages">Message length</a></td> <td>16,383 characters</td> <td></td> </tr> <tr> <td><a href="mm-ref:end-user-guide%2Fcollaborate%2Forganize-using-teams%3Acreate%20a%20team">Teams per deployment</a></td> <td>10,000</td> <td></td> </tr> <tr> <td><a href="mm-doc:%2Fend-user-guide%2Fcollaborate%2Finvite-people">Users per team</a></td> <td>No enforced limit</td> <td>Dependent on infrastructure</td> </tr> </tbody> </table>

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