How Can I Fix - After upgrading to 8.1 from 8, I lost one of my EXCEL files.?

After upgrading to 8.1 from 8, I lost one of my EXCEL files.

After completing the 8.1 upgrade, I lost just one of my EXCEL files (the one I use every day).
 It's name now shows it as a windows.old file, but I cannot find it.
 The basket for windows.old is empty, but I cannot specifically look at EXCEL.
 How do I
find this file/data?

Keys to the Problem After upgrading to 8.1 from 8, I lost one of my EXCEL files.

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To check for Windows updates

1. Open Windows Update by clicking the Start button Picture of the Start button, clicking All Programs, and then clicking Windows Update.
2. In the left pane, click Check for updates, and then wait while Windows looks for the latest updates for your computer.
3. If any updates are found, click Install updates. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Recommended Method to Repair the Problem: After upgrading to 8.1 from 8, I lost one of my EXCEL files.:

How to Fix After upgrading to 8.1 from 8, I lost one of my EXCEL files. with SmartPCFixer?

1. Click the button to download SmartPCFixer . Install it on your computer.  Open it, and it will perform a scan for your system. The junk files will be shown in the scan result.

2. After the scan is finished, you can see the errors and problems need to be repaired. Click Fix All.

3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been fixed. You can also use other functions in SmartPCFixer. Like dll downloading, windows updating and print spooler error repair.

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