Microsoft is making an important change to Excel to prevent attackers from spreading malware or phishing campaigns.

Change the type selection to "All Files" and select your Works spreadsheet. After it opens, click "File," "Save as" and then set the "Save as type" to "Excel Workbook." ...

Select "Blank Workbook" or a similar option from the list of new file options-it commonly appears as an initial option in the dialog box by default. Click "Create" or "OK" to open the new Excel ...

Perform similar steps to add Page Numbers to the Custom Footer and then click OK, OK. 3. Save the file. Save the modified Excel workbook to your XLSTART folder as an Excel Template (file type) named ...

Click OK. Excel will open a new workbook with the copied sheet. If you’re using Excel 2007, do the following: Select the tab of the sheet you want to copy (or move).