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oit_content_182023 - Once this setting has been modified...

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E XCEL 2007 /2010 S PREADSHEET B ASICS The University of Minnesota is an equal opportunity educator and employer. Office of Information Technology | www.oit.umn.edu © 2011 Regents of the University of Minnesota. All rights reserved. Last Updated: 10.03.2011 Windows Best Practice On All Windows PCs: Show file extensions Practice computer safety: know what file types you are using. 1. Open any folder on your Windows machine. 2. Windows XP : Select Tools > Folder Options … Windows Vista or Windows 7 : Select Organize > Folder and Search Options . 3. Select the View tab. 4. Deselect the option for Hide extensions for known file types . 5. Click OK .
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Unformatted text preview: . Once this setting has been modified, file names will display their extension permanently. File extensions are always preceded by a period, referred to as a dot. For example, Excel 2007 and Excel 2010 files have a .xlsx extension; Excel 2003 a .xls extension. Check out other safe computing practices at http://safecomputing.umn.edu/ Excel Best Practices Save regularly , especially when you are satisfied with your work. Always use cell references in formulas , not hard coded numbers, so formulas update automatically when data changes. Always preview the worksheet, workbook, or selection before printing....
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