<div>
Have you looked at Planner? It's more team oriented but you can certainly use it with just two users. <a href="https://support.office.com/en-us/article/microsoft-planner-help-4a9a13c6-3adf-4a60-a6fc-15c0b15e16fc" rel="ugc">https://support.office.com/en-us/article/microsoft-planner-help-4a9a13c6-3adf-4a60-a6fc-15c0b15e16fc</a><br />
<br />
We also have ToDo now as part of O365.
</div>


Have you looked at Planner? It's more team oriented but you can certainly use it with just two users. https://support.office.com/en-us/article/microsoft-planner-help-4a9a13c6-3adf-4a60-a6fc-15c0b15e16fc [https://support.office.com/en-us/article/microsoft-planner-help-4a9a13c6-3adf-4a60-a6fc-15c0b15e16fc]

We also have ToDo now as part of O365.

<div>
Planners not an option it has too many extras for someone that just wants to use tasks. Appreciate the input.
</div>


Planners not an option it has too many extras for someone that just wants to use tasks. Appreciate the input.

<div>
<div class="content wysiwyg-content">
Situation where tasks in Outlook shared with another user which has worked great for years. Now it's beginning to have sync issues. I expect this is due to the size of the OST file increasing because if it's deleted tasks sync for awhile then begin to fail. <br />
<br />
Moving to Microsoft 365 and would like to continue sharing tasks if it works. If it doesn't is anyone aware of an Office 365 service, add-in, product similar to sharing tasks with others users in Outlook?
</div>
</div>


Situation where tasks in Outlook shared with another user which has worked great for years. Now it's beginning to have sync issues. I expect this is due to the size of the OST file increasing because if it's deleted tasks sync for awhile then begin to fail. 

Moving to Microsoft 365 and would like to continue sharing tasks if it works. If it doesn't is anyone aware of an Office 365 service, add-in, product similar to sharing tasks with others users in Outlook?

Sharing Tasks in Office 365 or Another Solution

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.