Since the release of Microsoft Office 2007, all Outlook contacts are stored in a PST file. Copying your Outlook account's PST file to another computer or drive is important so you have backup copy all ...

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QuickBooks manages everything from your company's account receivables to electronic bank transfers. The application stores your company's finances and related data in a single file ending with the ...

Your computer has backend directories, libraries, and files that help keep the operating system running smoothly. If you delete or move any of these files, something could go seriously wrong, so I don ...