Use the following steps to fix the problem when Office files, including Excel workbooks, Word documents, or PowerPoint presentations do not open in the expected application or you receive an error message that the file does not have a program associated with it.
- Open the Start menu
- Start typing 'Default Programs' on the Start menu; when Search finds it, open it.
- Select the "Set your default programs" choice
- Find the desired application in the list, select it, and then select "->Set this program as default"
If you prefer to let Microsoft fix it for you, you can use the "Fix It" tool to fix your Office file associations. See Double-clicking
an Office file fails to open it in the correct Office program for more information and to download the tool.