The AutoRecovery and AutoSave feature in MS Office 2007-2016 helps you to avoid losing your work if office crashed due to power loss, or you close a file without saving. Microsoft has provided a feature to recover your document completely in such cases.
Follow the steps below to recover the MS office files.
Step 1: In MS Office, Click on Alt+F.
Step 2: Click on option.
Step 3: To Turn on AutoRecovery and Autosave.
In the left hand side, click on Save. In the right pane under Save documents (Word), Save workbook (Excel), or Save Presentation (PowerPoint).
Check the save AutoRecovery information every X minutes box, and select how many minutes you require.
Do Check the keep the last auto-saved version if I closed without saving check box.
Step 4: In the left panel, click on Advanced, in the right panel under save,Check the Allow background saves box, click on Ok.