This article explains which data types ProBackup can restore for Google Workspace.
Gmail
When you restore a Gmail thread, a duplicate is created in the user's inbox.
Google Drive files
When you restore a file, a duplicate is created in Google Drive.
Calendars
When you restore a calendar, a duplicate is created in the user's account.
Calendar events
When you restore a calendar event, a duplicate is created in the related calendar.
Contacts
When you restore a contact, a duplicate is created in the user's contact list.