Active 11 years, 10 months ago. Viewed 1k times. Now when i download any image or any text document and try to open it it is not getting opened, Error is format not supported everytime.
My image is. No image exists with that ID. No ID was passed. Improve this question. Deepak Narwal. Deepak Narwal Deepak Narwal 6 6 silver badges 23 23 bronze badges. Did you try open files with Notepad? It happened to me, that instead content all that been saved were warnings and errors. Add a comment. Active Oldest Votes. Improve this answer. Michael Borgwardt Michael Borgwardt k 75 75 gold badges silver badges bronze badges.
I'm just saying that you should be careful sending back user-generated content such as the filename without sanitising it first. Ashish Rajan Ashish Rajan 1, 5 5 gold badges 14 14 silver badges 27 27 bronze badges.
Sometimes works, but is non-standard. The proper way to force a download is the Content-Disposition header. Remove the Content-Disposition header. Google Play. The Best Black Friday deals. Bill Gates' favorite books of Biden OKs release of oil from strategic reserves. Resident Evil review. What your name means in Urban Dictionary. Windows Windows. Most Popular. New Releases. Desktop Enhancements.
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Or, you can manually copy and backup your file to another safe location in case of accidents. With the help of the above methods, this error can easily be resolved without data loss. If Excel cannot open the file problem is due to file corruption, EaseUS file repair tool can help you fix and recover the Excel file with a few clicks pretty quickly.
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The following four frequently asked questions are extremely relevant to the "Excel cannot open the file because the file format or file extension is not valid" error. If you also have any of these problems, you can find the methods here. You can try to fix the "Excel cannot open the file because the file format or file extension is not valid" error by changing the file extension:.
Open your Excel file. You can directly change the file extension depending on the version of Excel installed. Click "Save As". Then, check if the error "Excel cannot open the file" is resolved or not. You can re store Excel file format, or the file extension is not valid from previous versions.
Select the damaged file. A list of previous versions will appear; you need to select the option you are interested in and click "Restore" to recover. Previous versions come from File History or restore points.
The possible reasons for this issue might be:. When the Excel file is corrupted, not compatible with the Excel version, infected by the virus, or received by email, these are the common causes of the "Excel cannot open the file because the file format or file extension is not valid" problem. If any of these problems appear, you can't open your XLSX file. Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group.
As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles. Mahesh is an experienced computer tech writer. He's been writing tech how-to guides for about 8 years now and has covered many topics.
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