Am a keen follower of Microsoft's SharePoint Blog and proud to provide this direct from the Microsoft Tech Community:

SharePoint 2013 Workflows was introduced 10 years ago. Since the release of SharePoint workflows, Microsoft has evolved orchestration to not only encompass SharePoint, but all the productivity services you use within Microsoft 365 and extend to 3rd party apps, through Power Automate.  

Power Automate for workflow orchestration connects to all Microsoft 365 services and over 220 other services to let an enterprise build custom workflows. There are also many 3rd party solutions that can directly orchestrate SharePoint data via SharePoint’s open API platform. 

 
SharePoint 2010 Workflows was retired as of November 1st, 2020 with the notice that we would also retire SharePoint Workflow 2013 in the future. Although we currently do not have a timeline to announce for SharePoint 2013 Workflow retirement, it is strongly recommended to move 2013 workflows to the Power Automate platform or some other modern workflow orchestration solution.  

To help, a new, open-source Microsoft 365 Assessment tool is available to help you identify and evaluate the usage of SharePoint 2013 workflows in your tenant. 

To understand if your organization is using any SharePoint 2013 Workflows or begin planning migration to Power Automate, we recommend that customers run the Microsoft 365 Assessment tool to scan your tenants for active 2013 workflows.  

Using the Power BI report generated by the scanner tool, you can: 

• Identify all SharePoint 2013 workflows in the tenant, per site collection and site 

• Evaluate the recency and volume of usage of SharePoint 2013 workflows  


• Identify the Lists, libraries and content types that use the 2013 workflows 


• Power Automate upgradability score indicating if the detected actions in the workflows are upgradable to flows on Power Automate 
   

The workflow report along with site information enables tenant administrators to plan the migration of 2013 workflows with minimal impact to the users. 

We hope this tool and its ongoing evolution will help your business process modernization in Microsoft 365. We will continue to share updates through our support articles at https://aka.ms/modernize-workflows.

Thank You.  

The above is kindly provided by the Microsoft Tech Community!