Some users have reported that when they open MS Outlook, they receive an error message that Outlook is using an old copy of your Outlook data file (.ost). For some ...

Don't think that Excel is just for numbers. Many people populate Excel's seemingly infinite grids with data, using it as a flat-file database. It can serve as a relatively effective contact manager or ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...