Mattermost Academy offers up to date training for all things Mattermost!
Explore These Mattermost Learning Paths
Mattermost is the open source messaging platform that enables teams to collaborate securely. We created these training videos to help end users learn Mattermost and to help system administrators set up, configure, and extend Mattermost--without sacrificing data privacy.
If you are looking for documentation rather than video training, follow these links: