This is a step-by-step guide on how to add owners to private reports. The owners of a private report are the only ones authorized to make changes. Additional administrators can be added as "Readers," which gives them viewing rights only. See How to add readers to private reports for more information.
1. Navigate to Reports > Custom Reports.
2. Select the report.
3. Click Edit Accessibility.
4. Click +Add Owner and add the additional owner(s), then click Save.