Slack Migration Limitations

Slack To Teams Migration

Below is a list of currently out-of-scope list of features not migrated to Microsoft Teams:

• Slack Apps
• Message reactions
• Mentioning User - partially supported
• Bot messages
• Slack canvas

Limitation	Explanation
Slack Apps	Currently all Slack apps cannot be migrated automatically. However, there are respective similar apps which could be recreated in Microsoft Teams.
Message Reactions	Message reactions cannot be migrated to Microsoft Teams. It is due to Microsoft restrictions in import API.
Mentioning User - partially supported	User mentioning is partially supported in Slack to Teams migration. All conversations mentioning users can mention the user - but it is not active link. It due to Microsoft restrictions in import API. Still after migration, username will be remapped to new username. Before Migration: After Migration:
Bot messages	Bot messages are not migrated due to not existing similar apps in Microsoft Teams.
Slack canvas	Currently, Slack Canvas migration is not supported.