Hi
Susja •,
Thanks for your patience.
We observed that you have not found the provided answer useful.
However, we recommend you to refer to the below video which illustrates how we can install VSIX file in Azure Data Studio to preview PDF Files directly in Explorer of ADS:
How to Open PDF Files in Azure Data Studio | Configure PDF Preview Extension using VSIX File
Please let us know if you face any issue in doing so with screenshots.
Thank you.