Hi @Manoj Patel,
Thank you for posting your question in the Microsoft Q&A forum.
Regarding that OneNote is lagging and not responding. I’d like to ask a few quick questions to better assist you:
1.Could you clarify which specific activity notifications you’re still seeing and would prefer not to receive?
2.Do other users experience the same issue?
3.Have you try to open OneNote file on a difference devices?
4.Have you noticed lagging or unresponsiveness with specific notebooks or sections, especially large ones? Or is it happen to all file?
5.Have you tried OneNote on the web?
6.Do you use any add-ins or plugins with OneNote?
7.Check if you have the battery options try put it in maximum performance?
Click the File tab.
Click on Options and then click on Advanced tab.
Thank you again for your time and understanding. While my initial response may not resolve the issue immediately, I’d like to gather more details about your situation so I can assist you more effectively
I really appreciate your patience, and I’m here to help. Looking forward to your response!
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread