Hi @Marwa Mostafa ,
We could use Advanced Search to filter search results. Please enter http://SearchCenterURL/Pages/advanced.aspx to open Advanced Search. However there is no OOB way to export search results to excel.
In addition to the default properties, we could also add custom properties restrictions, please refer to:
https://searchexplained.com/configuring-advanced-search-in-sharepoint-2013-and-2016/
Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.
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