
If this device (like your smart phone or laptop for example) connects seamlessly to your modem/router, the source of the issue is likely your smart TV. Preferably chose a device that is a similar distance from your modem/router and in the same room as your smart TV. The best way to rule out your modem/router as the source of the problem is to try to connect other wireless devices. With the help of the above methods, this error can easily be resolved without affecting the integrity of the file.2.4.1 Related Posts: Confirm whether or not your Router/Modem is the problem “Excel cannot open the file ‘(filename)’.xlsx because the file format for file extension is not valid” is a common error that any user can face while opening a. This way you can easily access the data of your corrupted. Just click the “ Save” button and select the location where you want to save it.
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Check whether it is showing the option of.Now, select “ Export” and choose “ Change File Type.”.So, make sure that MS Excel in your system supports the. Many times, this error occurs due to the unsupported file extension of your file. In this article, we have mentioned some of the useful methods to solve this error. There are various Excel errors and ways to fix them, and this error can also be fixed easily.

The Excel file is not compatible with the version of MS Excel you’re using.There could be the following reasons behind this error There is always a number associated with such errors, to find that number press “Ctrl+Shift+I” and you’ll find “ 101590” at the lower-right corner of this message. It says, ‘ Excel cannot open the file ‘(filename)’.xlsx because the file format for the file extension is not valid.’ The error does not recognize the extension of file. Sometimes, when the user ties to open the sheet, then an unwanted error stops the file from opening. The default file format of an Excel worksheet is XLSX and whenever the user opens any file, then it is opened with the same extension.
