On the Word Start screen, click on 'Options' in the list on the left.
How to change the auto-save time in Word 2013 Picture 2
In the Word Options dialog box, click 'Save' in the list on the left.
How to change the auto-save time in Word 2013 Picture 3
In the 'Save documents' section of the 'Save' screen , make sure the 'Save AutoRecover information' option is checked. Change the minutes (minutes) by entering a new number or using the up / down arrows to change the value.
How to change the auto-save time in Word 2013 Picture 4
Click 'OK' to save the changes.
How to change the auto-save time in Word 2013 Picture 5
If you do not want Word to automatically save the document you are editing, uncheck the check box next to 'Save AutoRecover information every'.