· Close Microsoft Word, then click Start, Run, type winword /a and press Enter. Try to open the document using this copy of Word.
· Try to insert the damaged document into a new document. Create a new document, then click on Insert, File, select the damaged document and click Insert.
· Try opening the file using WordPad then re-saving it to a new file, or copyimg the contents and pasting them into a new Word document.
Or try using a Microsoft Word document recovery tool such as Word Fix Toolbox