Microsoft Word and all of the other Microsoft Office products have a unique feature known as auto save. This is a part of the application that will automatically save all of your progress on a Microsoft Word, Excel, or PowerPoint project at a set time limit of every 10 minutes by default. In fact the time limit can be lowered to 1 minute to automatically save your progress.
Anyone who has ever accidentally deleted through the cut process a large body of work or close a Microsoft Office file without properly saving it can appreciate the value of at least being able to go back to a checkpoint just a few minutes behind their progress. By using a Microsoft Office file recovery tool you can actually do even a little better than this. Programs from companies such as Remo Software allow you to recover deleted Word document and other Office files even if you neglected to properly save them.