- 1). Click "Start."
- 2). Click "Control Panel."
- 3). Click "Default Programs."
- 4). Click "Set your Default Programs."
- 5). Click on the Microsoft Office program you want to set as a default program for Windows Explorer. Click "Set Defaults for this Program." Go through the list of file extensions on screen and check the boxes next to all file types you want to use to open up in that program. Click "Save." Windows Explorer will now open the selected file types in your Microsoft Office program when you try to access them.
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