By default, personal Drive is available to the owner only. You can configure access permissions to your Drive (all Drive files & folder) and to individual files & folders in My Drive as well.
My Drive Access ConfigurationYou can configure access to the whole personal Drive section from My Drive Settings > Access Permissions:
- Full Access
File or Folder Access PermissionsIn addition to general personal Drive access settings, you can grant additional access to each file or folder. Open file or folder menu & select Access Permissions:
This option is available to commercial plans subscribers only.
If you'd like the file or folder to be connected to the colleagues Drive as well, so that he\she don't need to go to your Profile > your personal Drive each time to access the file, use Sharing option.