Used CreateBackup AddIn for Excel for Windows?
Developer’s Description
The add-in allows you to create backup copies of your currently active workbook either with the click of a button or via automatically scheduled backups
The add-in can store all backups either in one central folder or within a subfolder of the folder where your original file is stored.
When you buy a license key for CreateBackup AddIn, you will also be able to specify the number of backups that will be kept for each workbook - or store unlimited backup copies.
Used CreateBackup AddIn for Excel for Windows?
Explore More

Update for Office 2003 (KB907417)
Free
Excel File Splitter
Trial version
Contour Plot For Excel
Trial version
Extrak
Trial version
FrontFace
Trial version
Multiple Y Axes For Excel
Trial versionData Sheet Program for Microsoft Excel
Trial versionMultiple File Import / Export Utility for MS Excel
Trial versionStyle Manager for Microsoft Excel
Trial version
Skills DB Pro Free Skills Matrix Spreadsheet
Free
Insert_PDFs_to_Word
Trial version
Batch Excel to HTML Converter
Trial version