Problem when export to excel with large quantity

We did 2 tests

  1. Advanced search - in order to filter data, so we have fewer items according to what we need.
    After search we export file to excel the result was same.

  2. Quick search - we put 1 condition in order to get data we need.
    After search we export file to excel the result we got from xls file show only 2 columns
    and warning protected view on screen.same.

Pls help us to solve to problem.

Regards,

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