I have finally found the solution. It’s straightforward for anyone facing the same problem. Here are the steps:
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Download Power BI from the official Microsoft website using the provided link below (avoid downloading from school platforms, work platforms, or Microsoft webshops):
[LINK: (https://www.microsoft.com/en-us/download/details.aspx?id=58494)] (in English). -
Install it without configuring installation settings.
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In Power BI, go to options and configure data extension to allow “any”.
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Download Speckle from GitHub.
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Here’s where it becomes tricky for everyone. A helpful tip: Navigate to the settings of the Power BI app: Options → Save and Report → Check the path of “auto-recovery file”. If you haven’t altered anything, it should match the commonly suggested path found in forums: “C:\Program Files (x86)\Microsoft Power BI Desktop”. If it’s different, don’t fret, just copy it and navigate to the location, but don’t access the recovery folder.
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Create a folder named “Custom Connectors” there (if prompted to do so as an administrator, it’s normal). In that folder, place the “speckle.mez” file (if asked for administrative permission again, it’s okay).
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Open Power BI, and Speckle should be visible.
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If you’ve followed these steps accurately, it should work 100%. I’ve tried everything, and I’ve been working on this since January.