If you have two similar Excel spreadsheets, or different versions of the same original spreadsheet, it can be useful to compare the Excel files and see how they differ. If the spreadsheets are short, ...

On my laptop today I find that the Word and Powerpoint apps have disappeared and the associated file extensions (docx and pptx) no longer link to anything. Excel is still there though. Any clues? Is ...

I've run in to this problem before on 2003 but for the life of my I don't remember how we fixed it. I hope someone here has the answer for you.