Hi,
Any help would be appreciated.

When we open any excel spreadsheet, and it is in use for longer than 5 minutes, a new file is automatically created under a backup file name.

We have checked the AUTOSAVE feature and it has not been installed nor is there a AUTOSAVE add-in.

We have been hit with a overflow of backup files, which you have to manually delete. We don't know how or why this started. Nor how to turn it off.

Again, any help from the Experts, would be appreciated!