The Microsoft Dynamics CRM team has published an article about
By default, you have 5GB of storage when you sign up for Microsoft Dynamics CRM Online (
You can check your allowed storage and current usage at any time. If you are using Microsoft Office 365, go to Settings > Administration > Resources In Use. Otherwise, go to Settings > Administration > Subscription Management.
There are a number of ways to reduce your storage usage, potentially avoiding the need to purchase more storage. Most storage is consumed by email attachments, notes, workflows, and system jobs, so these are the areas to look at for saving space.
You can use Bulk Delete jobs to periodically delete old system jobs and large and outdated email attachments and notes. The Dynamics CRM team has provided
If your organization uses workflows heavily, you can look at your frequently running workflows to see if they can be simplified. Removing a few steps from frequently running workflows can save a lot of space. And if your organization uses asynchronous plugins heavily, during sdkmessageprocessingstep registration, you can select to delete system jobs after they successfully complete.
Maximizing your storage capabilities can save you money, and fortunately Microsoft CRM Online has multiple tools to help you do just that.