Open Microsoft Excel. Go to “ File > Options > Trust Center.” Now, click on the Trust Center Settings button. Select Protected View from the left side. Uncheck all the options on the right ...

Expand your file-protection options via Microsoft Office 2007's Trust Center The most recent version of the popular Office applications centralize security options and add a few new wrinkles.

With that, the cached Excel files are wiped away easy. While you're in the Cache Settings, you can also use the options there to control how long Excel holds onto cached files for.

Excel may not display the XLS file if another option is selected, giving you the impression that it can't open it.

If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

Regardless of the scenario, Excel has several options to reduce the size of the spreadsheet. For instance, you can save the file in binary format, change the resolution or compression of the ...

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.

Insert the PDF file into a cell in the Excel worksheet by clicking on the cell then selecting the "Object" option from the "Insert" menu.

When an Excel file goes haywire, don't give up hope. Using one of these recovery tricks, you may still be able to salvage the data.