Hi Carlos Fernando Aguilar González,
Thank you for reaching out to us on the Microsoft Q&A forum.
It appears that you are encountering difficulty importing the .ipynb file from your local computer into Synapse Studio.
As outlined in point 1 of the Explore stream processing section, you are instructed to click on the provided link to download the notebook to your local computer.
Upon attempting to save the downloaded notebook to a local folder, the default file name displayed is "Spark Structured Streaming and Delta Tables.ipynb," as depicted in the screenshot below:
Please note that it is necessary to modify the file name to "Structured Streaming and Delta Tables.ipynb" and ensure that the file is saved with the .ipynb extension, not as a .txt file, in accordance with point 1 of the Explore stream processing section.
Please find the screenshot attached below for reference after changing the file name to "Structured Streaming and Delta Tables.ipynb" :
Once you have successfully saved the file with the desired file name ("Structured Streaming and Delta Tables.ipynb"), please proceed with the exercise by following the subsequent steps.
Attached are screenshots illustrating the subsequent steps mentioned in the exercise for your reference:
If you find this information helpful, we kindly request you to accept the answer by clicking the "Upvote" and "Accept Answer" buttons on the post.
Should you continue to encounter issues, please provide screenshots of any errors you encounter, and we will be glad to assist you further.
Thank you.