{"__ref":"User:user:9832"},"revisionNum":1,"uid":38413,"depth":1,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:ExcelGeneral"},"subject":"Re: Excel file is not opening","readOnly":false,"editFrozen":false,"moderationData":{"__ref":"ModerationData:...
Patrick2788 Silver Contributor I recommend starting by opening one of the workbooks in the desktop version of Excel and run Inquire's Clean Excess Cell Formatting. It sounds like the workbook is bloated.https://support.microsoft.com/en-au/office/clean-excess-cell-formatting-on-a-worksheet-e744...
Excel Drop Down Tool Menus Not Working Excel files download instead of opening in Excel online Excel format 2013 with macro's can not be used in Office 365 Excel freezing after sharing document by Email Excel isn't currently your default program message at startup ...
If the "Excel cannot open the file because the extension is not valid" problem is caused by corrupt Excel files and not by file compatibility, you need a professional file repair program to help you fix the problem.EaseUS Fixo Document Repairis an all-in-one tool that can help withcorrupt...
This is only a temporary solution that will not fix the issue. To use this method, it must be done every time that you start Excel.Another method for preventing files from automatically opening is to start Excel in safe mode. Starting Excel in safe mode prevents all Excel add-ins, toolba...
Follow the solutions provided in this article in order. If you have previously tried one of these methods, and it did not help, please go to the next solution in the list. Note:If you are having problems opening your Excel files after upgrading from Windows 7 to Windows 10, seeErrors op...
Ensure your Microsoft Office application is genuine, not a cracked or pirated version. To check if the app is genuine or not, trythis tool. Disable Antivirus temporarily and see if it helps. After ensuring the above things, follow these methods to solve the Excel files not opening an issue...
This will cause Excel to start up, re-register all of its registry keys, then quit. Now, try opening your Excel files. 3.Click on the Start Button, in the run box type "regedit" (without the quotes) and then click the command. This will open the Registry Editor. Go to the registry...
Additional background: The security update changed how Excel handles documents that are opened from untrusted locations (such the Internet zone) which are not supported in Protected View, such as HTML/XML/XLA files. Opening them without Protected View is ...
Excel files not opening in Protected View If Excel files are not opening in Protected View and you see an error message The File couldn’t open in Protected View change the name of the file, Update Office, Unblock the file, Change some Trust Center settings, Check if the Dynamic Data Exch...