There are a few ways you can convert a PDF to Excel, including through Microsoft Office apps and Adobe Acrobat.

To convert an Excel file to JPG, use PrintScreen, Snipping Tool, the Excel Camera tool, or use third-party Excel to JPG converters.

So, close the application and try reopening the Excel workbook file. Another Excel file exists with the same name that is read-only. Hence, change the Excel file name and try saving.

If you use the Microsoft Office suite of applications, such as Word, Excel, or PowerPoint, you’ll have noticed these apps try to save all your files on OneDrive.