- 1). Press the menu button on your Windows Mobile device.
- 2). Press "Excel Mobile" to open the portable edition of Microsoft Excel.
- 3). Press the "Menu" button and then press "Open."
- 4). Locate your Excel file to open and press it to open the file.
- 5). Enter the password for your Excel file and then press "Open." You will now be viewing your password-protected Excel file in Windows Mobile.