# Offline Mode
Offline Mode is supported for the situation without internet access. Users can preload project models while connecting to the internet. The steps are as below:
Log in to WeBIMSync, 1 please right-click on a project thumbnail which want to use offline.
Click on the 2 [ ] button. WeBIMSync will automatically download the project data to the device.
When [ ] button changes to a [ ] button, and then the user can start to use it with no internet connection.
If the internet is available, click on the [ ] button. WeBIMSync will upload the data to the server.