Load workbook 'a' in read-only mode using openpyxl to access data from an Excel file that is currently open in Windows

My current task involves loading a workbook and extracting its data with openpyxl on a Windows system. I am facing the challenge of needing to access the workbook even when it is already opened in Excel.

Despite using 

load_workbook(filename=filename, read_only=True)
, I keep encountering a PermissionError.

I have come across information suggesting that writing data to an open file on Windows is not possible, unlike POSIX-based operating systems. Does this limitation also apply to reading data?

pythonexcelwindows

Answer №1

One of the benefits of using LibreOffice Calc, an open-source alternative to MS Office, is that it allows me to easily read excel workbooks into Python even when they are open in the program. Unlike some other spreadsheet tools, Calc does not lock the workbooks, making it a convenient option for data manipulation.

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