XRM

Microsoft xRM is now history but we still have it in Microsoft Dataverse. Picture from an old Microsoft presentation

Once upon a time there was software from Microsoft called Microsoft Dynamics CRM. Even though the name of the software included CRM, which is an acronym for Customer Relationship Management, this software could easily be used for modelling any relationship. By creating new entities and relationships in between new entity models could be set up by using configuration only.

Some say that the X in XRM/xRM stands for "any" as in any relationship management. Some say it stands for extended relationship management.

XRM still consists as a concept. Microsoft Dynamics CRM transformed into Microsoft Dynamics 365 Customer Engagement and then into the Power Platform as Model-Driven Apps built on the Power Platform and its data stored in the CDS.

The acronym can also be seen today in the powerful XrmToolBox.