Good day, user76512.
Welcome to QuickBooks Community! It's easy to mark all uncategorized trips as personal. Please follow these steps:
- From the Mileage tab, choose Unreviewed under the Type drop-down.
- Check all the trips you want to mark as personal.
- Click the Mark as personal.
Here are some of the articles for more details about mileage:
- Automatically track mileage in QuickBooks Self-Employed
- Learn about standard mileage and actual expenses deduction methods
Post again here if you need anything else. Stay safe!