Why is MS ToDo on new Outlook very slow, its so slow I can't use it?

Question

I now use new version of outlook. I am keen to use the ToDo features but its so slow that I am unable to actually it. If I go to add a task or delete a task then it just crashes or is very slow to respond. What can I do to make it faster and more to the point usable?

Also, does anyone know a way to share the contacts within my team? That is something that has stopped working on new Outlook.

Answer 1

I have the exact same issue. It's unusable as it often takes a couple of minutes before the ToDo list appears.

Answer 2

I was having the same issue and becoming very frustrated as using my Tasks (To Do) was a big part of my workday and it had become unusable because of how slow it was. Here is a solution I found that worked for me. Since I have a new computer, when opening my Tasks, it was trying to restore all of my current tasks along with my "Completed" items, which was over 7,000. I decided to leave my Tasks open and go to lunch and let it work itself through all of those items. When I returned, all 7,000+ items had been restored and it is now working smoothly like normal. I am able to add new tasks or delete old tasks without any issues, and I am now going through the process of deleting all of those completed items since it is working ok now. My takeaway is to try the same thing - open up your Tasks, leave it alone for a while, and let it process all of your items. Hopefully you will have the same success that I did.

Answer 3

Hello Andrew

Thanks for the feedback. If the issue persists in fresh OS or standby PC, we suggest you have a remote session with a Microsoft engineer to investigate further. As a forum supporter, we do not have sufficient permissions and resources to conduct research directly. We recommend

that you contact your Microsoft 365 administrator and follow the steps in this article https://learn.microsoft.com/en-us/microsoft-365/admin/get-help-support?view=o365-worldwide&tabs=online#online-support to create a support ticket to Microsoft.

If you need any further assistance, please feel free to post back. we will be happy to assist you.

Sincerely,

Bertrand

Answer 4

Same issue plus when Todo is open it makes entire Outlook extremely slow to even simple clicks

Answer 5

Hello Simon

We warmly welcome you to Microsoft community

It appears MS ToDo is very slow to use on New Outlook. Have you done online repair and worked on the ToDo list in Outlook safe mode?

Use To Do app to manage Tasks in Outlook - Microsoft Support

Have you check if the ToDo list is slow in a fresh OS or standby PC? if no, kindly implement the following steps on your Outlook. How to troubleshoot performance issues in Outlook - Microsoft Support

Also implement the steps in the article to share contacts within your team in Outlook. Share a contacts folder with others - Microsoft Support

If you need any further assistance, please feel free to post back. we will be happy to assist you.

Sincerely,

Bertrand