Vegas Pro : Change auto-save interval

This video shows how to change the auto-save interval in Vegas Pro 15. This involves activating hidden advanced preferences (named internal preferences) in Vegas. Please be careful while making changes to internal preferences.

Steps:
Open options menu
Click preferences while holding down shift key or press Shift+p
Click internal tab
Search for the item you are looking for, in this case, autosave
Enter the new auto-save interval in milliseconds