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Don't just hit save: 5 Excel formats that will change the way you work

Upgrade from standard Excel workbooks to specialized formats that shrink, shield, and streamline your spreadsheets.
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How to Convert Acrobat Pro Extended to Excel

PDF files are documents used by Adobe software that have a .pdf extension. By default, you can't open a PDF file in Excel 2010, the spreadsheet software from Microsoft. To be able to import your data ...