From today we will upload total ArcGIS 10.6 tutorial step by step.
Personal Geodatabase is .mdb file formate.
The steps:
1. First go to your arc catalog
2. Click right button of your mouse on Arc GIS home.
3. Open a new folder
4. Rename it
5. Click right button of your mouse on the newly created folder.
6. Go to new
7. click personal Geodatbase.
8. Rename it.