Issue: dll not found


  1. xlwings32-<version>.dll and xlwings64-<version>.dll are both in the same directory as your python.exe. If not, something went wrong with your installation. Reinstall it with pip or conda, see Installation.

  2. Check your Interpreter in the add-in or config sheet. If it is empty, then you need to be able to open a windows command prompt and type python to start an interactive Python session. If you get the error 'python' is not recognized as an internal or external command, operable program or batch file., then you have two options: Either add the path of where your python.exe lives to your Windows path (see or set the full path to your interpreter in the add-in or your config sheet, e.g. C:\Users\MyUser\anaconda\pythonw.exe

Issue: Files that are saved on OneDrive or SharePoint cause an error to pop up


See the dedicated page about how to configure OneDrive and Sharepoint: OneDrive and SharePoint.

Issue: Python was not found; run without arguments to install from the Microsoft Store, or disable this shortcut from Settings > Manage App Execution Aliases.


The Python interpreter is not correctly installed or the configuration does not point to the Python interpreter. To fix this:

  1. Verify that a Python interpreter is installed. Python can be installed in any way, including via Conda or virtual environment or the xlwings 1-click installer (part of xlwings PRO).

  2. Check the configuration of xlwings according to its Config Hierarchy.