You are attempting to open a file type that is blocked by your registry policy setting. In Excel 2010, the restriction on opening the file can be removed by following the steps below. Click the File tab. Click Trust Center, and then click Trust Center Settings.
In such cases, you may notice the following messages prompt by Microsoft Office applications: You are attempting to open a file type that is blocked by your File Block settings in the Trust Center. You are attempting to open a file type that is blocked by your registry policy setting.
You are attempting to save a file type excel?
You are attempting to save a file type
You should be asking “What does the error message “Unable to save Excel file” mean?”
But it is really annoying when you get the error message—unable to save excel file. It means what you did cannot be saved and shared. And here, we will discuss the useful solutions to this issue. Why the Error “Unable to save excel file” happens? Why the Error “Unable to save excel file” happens?
When I was reading we ran into the question “What to do when Excel file is not saving?”.
If the error is caused by the insufficient space on the destination location, you can change the location to save the excel file. Check whether you are allowed to edit the Excel or not if the Excel file is the shared one.
Why can’t I save XLSX files in Excel 2010?
As I understand you’re unable to save the . xlsx files in Excel 2010. This issue may occur if an administrator has restricted the types of files that you can open in Microsoft Office Excel 2010. So are you on a Network or Domain? You may follow the article mentioned below and check if that helps.
How to open a blocked file in Excel 2003?
1 Click the File tab. 5 To allow the opening of a file that is blocked, click to clear the check box for that file type. 6 Click OK two times., and more items.