If you have lost your crucial data then do not worry, here are some techniques are given by which you can get your important data back and in the same format as it was before.
Some Useful Methods:
1. First of all, open the control panel, go to system and security >> backup and restore.
2. And then click on restore my files.
Recover it from previous versions
1. Create a new file on the desktop and give it the same name as the deleted file.
2. Now, right-click on the new file and select 'Restore previous versions'.
3. Select the latest one click on restore to undo the deletion