In the latest version of Office 365 if you have more that two custom template folders excel quits when inserting a template
On the menu if you right click and insert template you can have 2 Standard and 2 Custom Template Folders
- General ( Represents Root of the Template folder
- Spread Sheet Solutions ( Inbuilt to Office )
- Two Custom ones you locate in the office template folders
If you add a third EXCEL quits
