Microsoft Word also has an important feature of saving your work automatically into the current document after specified time. By default, word automatically saves your current document after every ten minutes but you can change this time. It is also good idea for you to create backup of your files automatically. Because in this global network a computer can crash, a virus problem, or a hard drive failure can wipe out everything.

Follow the given steps to change default save time and enable auto backup feature:

First choose Options command from Tools menu.

A small dialog box will open, here select the Save tab in the dialog box.

Check the option "Always create backup copy" to set your word to create backup copy of file each time, you save document. Word saves this backup copy in same folder as your original document with .wbk extension.

Now click the "Save AutoRecover info every" check box and enter the time in minutes.