To follow files or folders, follow the below steps:

1. Select the required files and folders.
   
2. Click the More actions icon (...) on the top action bar and select Follow updates from the dropdown. A Follow Updates dialog will open. 
   [Alternatively, you can right-click the selected items and select Follow updates to open the Follow Updates dialog box
3. Choose your notification preference: bell notifications (within the product), email notifications, and both bell and email notifications.
   
4. Click START FOLLOWING.
   

To unfollow files or folders, follow the below steps:

1. Select the required files and folders.
   
2. Click the More actions icon (...) on the top action bar, then select Following from the dropdown. A Follow Updates dialog will open 
   [Alternatively, you can right-click the selected items and select Following to open the Follow Updates dialog box.]
3. Select Unfollow.
   

Note:

• You can also update notification preferences later by updating the settings to receive bell notifications, email notifications, or both.
  
• Anyone with at least viewer or view access can follow files and folders.
  
• One cannot follow root folders or primary folders (i.e., My Folders, Team Folders, and Shared with Me). Only the files and subfolders inside the root folders can be followed.