Because of the advantages of different versions of Excel, many users will install multiple versions of the Excel program on the computer, so that when there is an unexpected situation, choose to use the most frequently used version of the set priority to open, the main methods are the following two kinds:
Method One, on the desktop select the "Start → run" command, open the Run dialog box, as shown in the figure:
In the Open text box in which to enter the preferred version of the installation path, such as input Excel2003 path "D:programfilesmicrosoft officeofficellexcel.exe/regserver", you can also click "Browse" button to find your preferred version of the Excel program, and then click the "OK" button, the system can be set up, as shown in the picture:
Because the extension of Excel2003 is. xls, and Excel2007 and Excel 2010 have the extension xlsx, if you want to open the file with the. xlsx extension as Excel2010, you can have a. xlsx extension.
File, select the Open with/select Programs command from the pop-up shortcut menu, as shown in the figure:
Open the Open With dialog box, select the Excel 2010 program option, and select the always open this file using the selected program check box, and then click OK, as shown in the figure: