Microsoft added a bunch of useful capabilities to Excel this month, including one that was highly requested by customers.

That task becomes doubly difficult if you're trying to find Word and Excel files simultaneously. To make this task easier, try using the "OR" operator in the Windows 7 search tool.

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Learn how to change the default file format for saves in Word, Excel, and PowerPoint, so that you do not need to change it every time.