I cannot open my assignment that is an .ipynb file. JSON and DOCTYPE wrong

Eft April 27, 2025, 9:27pm 1

Hello,

I have been trying to upload my .ipynb assignment and I cannot. I downloaded it from our universities website and it is not working.

Topic		Replies	Views
Invalid Notebook - "The Notebook Does Not Appear to Be Valid JSON" on Github Notebook	7	20098	October 30, 2023
.ipynb file in Microsoft Teams not opening collaborative editing JupyterHub help-wanted	1	63	January 22, 2025
I cant download my notebook as .ipynb anymore it saves as JSON Notebook	6	11797	April 28, 2021
Not able to load the the .ipynb file in Jupyter notebook Notebook help-wanted	0	931	August 25, 2023
System is not auto grading the assignment JupyterLab	0	20	April 7, 2025