Follow these steps to find the date of your last backup:

1. Open Windows Explorer
2. Search for the skbackup.zip file
3. Right click on the filename and choose properties
4. Look at the creation date of the file, this is the date the backup was done.

Also New in version 6 you have the ability to add a date stamp to the backup file name, this option will put the current system date before the SKB extension.

Example: SKBACKUP_20070529.skb