Also, when you close the file, you may receive the following prompt:
Starting in Microsoft Excel 2000, Excel forces a complete recalculation of all workbooks that are opened if they were previously saved in an earlier version of Excel, regardless of the link-update status. To fully recalculate the workbook, Excel forces updates of all external references as well, even if you choose not to update when you are prompted to. This process occurs because Excel is updating the workbook calculation chain to the current version.
Article ID: 210162 - Last Review: Sep 23, 2015 - Revision: 1