The “Excel file format is not valid” error message typically occurs when trying to open or read an Excel file (.xlsor .xlsx) that is corrupted. Besides, this error also arises due to other reasons. Unfortunately, if you are facing the same issue, this blog is here to help. This art...
1、打开“我的电脑”在右上角找到“组织”点开，找到文件夹很搜索选项。2、在对话框中选择第二项“查看”，在高级选项中找到“隐藏已知文件类型的扩展名”把前面的勾去掉。现在我们就可以看到文件的后缀了，右键点击文件“重命名”把文件后缀改成“xls”3、改完后看一下，文件就可以打开了 ...
If you're encountering the "Excel cannot open because file format is not valid" error due to permission issues, you can try changing the group permission settings of the Excel document. Here's how: Step 1:Right-click on the problematic Excel file and select "Properties." In the Properties...
2. Changing to Another File ExtensionThe first solution to the "Excel file format/extension is not valid" error is simple. There is not much you will need to do for this method, and below are all the steps you need to follow.Step 1: Open Microsoft Excel: So, you will start by ...
If the above workaround gets failed to fix the error Excel cannot open the file ‘file.xlsx’ because the file format is not valid, then it confirms that .xlsx file is corrupted. To fix the corrupted worksheet, Microsoft Excel already has an inbuilt feature known as ‘Open and Repair’....
"name" is not a function, procedure or program (Error 1992) "name" is not a valid resource file (Error 1294) "name" is not a variable (Error 225) "name" is not a Visual FoxPro event (Error 1745) "name" is not an array (Error 232) "name" is not an object (Error 1924) "nam...
Creating excel file(XLSX) using StreamWriter class corrupts the file. Error : "Excel can not open the file filename.xlsx because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file…
"Excel cannot open the file because the file format or file extension is not valid. verify that the file has not been corrupted and the file extension matches the format" I don't have any back up of these files, I tried Excel's Open and Repair option, I tried changing the file...
How Do You Fix Excel Cannot Open the File Xlsx Because the File Format or File Extension Is Not Valid? In order to fix Excel cannot open the file Xlsx because the file format or file extension is not valid, try the below tricks: ...
Excel cannot open the file 'XXXX.xlsx' because the file format or file extension is not valid. I am a MAC user I AGAIN encountered an error opening my excel file after the excel update AUG 15 2023. Error says " Excel cannot open the file 'budget 9.xlsx...