Hi Dániel,
Thank you for posting your question in this community. Based on your description, you were trying to import Excel data into Project application, but you found that there is no data be imported into your Project file and there is no error message about import failure.
I also did a test from my side, which I created an Excel xlsx workbook and import with “New from Excel workbook” wizard in Project according to the steps in this article: Import Excel data into Project. The data can be imported correctly into my Project file.
My Excel workbook structure:
The output in Project:
If your import steps are different from above, please point out and let us know.
In addition, please also share the below information with us to further narrow down the problem.
1: What is your Project application version and update channel? You can go to File > Account > Product Information and share a screenshot of “Product Information” page with us at your convenience.
2: Does this problem occur in all project files you imported?
3: You can try to create an Excel workbook with some sample data and see whether the new profile file can be imported successfully.
Best regards,
Dihao