Offline maps & Mapbox Extension is paid add-in allowing users to use offline .mbtiles file and access maps from Mabox platform. Please read this article to get more information how the extension works.
From version 2.1.0 of the application there is new offline maps model implemented in MapIt.
You can download sample file (Glen Etive UK). The above sample file can be visible from zoom level 12 to 16.
Mapbox is very dynamically growing platform and one of the biggest providers of custom online maps. Create your account and access your maps in MapIt.
To start work with Mapbox you need to create an account and get the access token for your content.
The token is available from the project page of the Mapbox account:
Your personal access token must be set in MapIt Settings->Cloud Accounts->Mapbox->Mapbox Access Token:
The token verification take place when it is added and if the token is valid access to Mapbox content is granted:
Additional reading and resources: