In Windows 7, you can use the Previous Versions tab.
Shadow copies also give you a chance to restore deleted files or folders.
In Windows 8/10, you can use File History feature. In Windows 7, you can create a shadow copy via Backup and Restore, or System Restore Points. Shadow Copies can be created on local and external volume by Windows component that uses VSS technology. And the process can be automatic or manual. It allows you to take backup copies or snapshots of computer files or volumes whether in use or not. It requires VSS service, VSS requester, VSS writer, VSS provider during the process. Volume Shadow Copy (also known as Volume Snapshot Service or VSS ) is a technology included in Microsoft Windows. Further reading: Windows Elevation of Privilege Vulnerability.All-round way to backup files and folders - meet all your needs.
