What should I do if I warn that the memory is insufficient after Win8 opens the office file?

As a professional, the use of office software is essential. Recently, friends and friends said that they installed the Win8 64-bit system and installed Office 2013. However, when using Excel to open the XLS format file, it always prompts that the memory is insufficient. In the task manager, the memory is clearly 4GB remaining. many. ? Then how to solve this problem

Here's how:

1, left-click to select the file to be opened;

2, right-click on the & ldquo ;Properties", select “Unlock”;

3. Open the file again.

If the above method does not solve the problem, then consider whether the file is infected with a virus and then open it after anti-virus treatment.