With Microsoft 365 or SharePoint Server 2019 and Teams, you can sync your Microsoft SharePoint and Teams files from the MacroView Tree to a folder on your computer. This lets you work directly in File Explorer and access files even when you're offline. And when you go back online, any changes made to those files will sync automatically.
Sync SharePoint and Teams files with your computer
To create a synchronization copy
Choose the site, library or folder you want to take a copy of, right-click and choose Create a synchronized copy
If the above option is not available on the right-click menu, ensure this setting is unticked in Options
In File Explorer you will see the library chosen to sync:
To change or stop sync settings
To change the folders that sync for a site, or to stop syncing all files on a site, follow these steps:
1. Select the blue OneDrive cloud icon in the Windows taskbar notification area
2. Choose Help & Settings -> Settings
3. The list of all your syncing locations shows under the Account tab
To change the folders that you are syncing, select Choose folders for that site/library, and then select the folders that you want to sync. To stop syncing a site/library, select Stop sync next to the site. (Copies of the files remain on your computer. You can delete them if you want.)