I don't think you can.

Lots of people have posted the same problem and similar workarounds.

You could open excel, then use the Office button|open to avoid the problem,
though.

Vicky wrote:

When I open an existing file the excel page opens but all that we see is a
blue screen. In order to see the content we have to minimize the page then
maximize it again. How do I fix that?

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Dave Peterson