Cannot filter datas

[fjahan]

Hello, 

I would like to get some help on an excel file I'm currently building. As soon as I filter the datas, they are changing and I cannot identfy why. I would like a professional help if it's possible as the file is confidential, complex, and impossible to explain by message. 

Kind Regards, 

[#2 · Accepted solution]

@fjahan 

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