excel cannot open the file because the file format or file extension is not valid
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excel cannot open the file because the file format or file extension is not valid
📂 Fix: Excel Cannot Open the File – File Format or Extension Not Valid Getting the error: “Excel cannot open the file because the file format or file extension is not valid”? 🛑 This quick tutorial shows how to fix it in under 60 seconds! Rename file extension Repair corrupted Excel file Open with correct Excel version Check file ...
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