How does multiple versions of Office software coexist?

Many people will install more than one version of Office Office software, especially for some teachers in the teaching and research work, want to let each version of the Ocffice coexistence can take the following methods.

By default, the newly installed version will replace the existing version to allow multiple versions to coexist. Note that you will need to select the custom button in the Installation Options window, then select "Keep all previous Versions" in the Upgrade option, and you will not be able to coexist if you select Delete all previous versions. The best way to install multiple versions of Office is to follow a lower-order version.

To allow the office2003/2007/2010/2013 four versions to coexist and work properly, you need to register various versions of the information in the system immediately after installation.

Use the shortcut key win+r to open the "Run" window, enter the cmd command to start to the Command Prompt window, and then run the 4 commands, you can achieve Office 2003, 2007, 2010 and 2013 registration, to achieve the goal of coexistence. Of these, Office Version 2003 registration commands are as follows:

REG ADD hkcusoftwaremicrosoftoffice11.0wordoptions/v norereg/t reg_dword/d 1

The remaining version registration commands simply change the version number in the middle of the above command to the corresponding version number.