It can lead to a loss of time if one does not know how to open number files in excel. However, the main problem arises when people on the opposite ends have laptops working in different software. People use excel to keep a track record of their various activities. However, it is also important to remember that Numbers and Excel files do not share the same features and thus, some changes are definitely to be witnessed after the conversion. Now if you wish to open the same file in Microsoft Excel again, you will have to export the desired spreadsheet back onto Excel’s format. Doing this will make it compatible with iOS, iCloud, and OS X. To open a Microsoft Excel File in Apple Numbers, you have to first import and convert it into Numbers format. Can an Excel File be again opened in Excel after having converted to a Numbers File?Īns.