Step 1: Start Word. To do this, follow these steps: a. Click Start, and then click Run. b. In the Open box, type winword, and then click OK. Step 2: Locate the Word document that you are trying to open. To do this, follow these steps: a. On the File menu in Word, click Open. Note If the Open command does not appear on the File menu, do the following. Notice the arrows at the bottom of the File menu. Click these arrows. This will expand the menu and display all the menu commands. b. In the Open dialog box, locate your Word document. Then, click to select your Word document. c. Click the arrow next to the Open button, and then click Open and Repair. d. you can try to use repair word document, it's a very nice paid service