excel cannot open the file because the file format or file extension is not valid

#Technicalteacher #InvalidExtenstion You can solve this problem excel cannot open the file because the file format or file extension is not valid Latest WhatsApp Trick’s 👇 👇 👇  How to separate chat and group in WhatsApp 👇 👇 👇    • How to separate chat and group in whatsapp    enable view once feature for text message on WhatsApp 👇 👇 👇    • view once whatsapp for texting  enable vie...    how to disable WhatsApp view once 👇 👇 👇    • how to recover view once on WhatsApp      ...    how to ignore whatsapp messages without blocking 👇 👇 👇    • how to ignore whatsapp messages without bl...    how to seprate chat and group in official WhatsApp 👇 👇 👇    • how to seprate chat and group in official ...    whatsapp web download problem 👇 👇 👇    • whatsapp web download problem    voice changer app during whatsapp call 👇 👇 👇    • voice changer app during whatsapp call    How to post a long video in whatsapp status 👇 👇 👇    • How to post a long video in whatsapp statu...    how to download other's WhatsApp status 👇 👇 👇    • how to download other's WhatsApp status    hide whatsapp chat or group permanently    • hide whatsapp chat or group permanently    how to hide whatsapp group without archive    • how to hide whatsapp group without archive    remove ads from gb whatsapp, yowhatsapp, fmwhatsapp    • remove ads from gb whatsapp, yowhatsapp, f...    whatsapp short message trick    • whatsapp short message trick    How to set password of whatsapp message    • How to set password of whatsapp message    add all WhatsApp group participant in one click    • add all WhatsApp group participant in one ...    how to remove broadcast logo in whatsapp    • how to remove broadcast logo in whatsapp    Solved you can pin up to 3 chat in WhatsApp    • How to pin more than 3 chats in WhatsApp   Official Facebook group by technical teacher :-   / 397216937813899