Outlet is a store or business location. When you create new outlet in DealPOS, it will automatically create 1 register. However, you can add more than one registers to the outlet, so that one outlet can have several registers.
Suspend outlets are a feature that you can use to deactivate outlets that you no longer use temporarily or permanently because outlets that already have a transaction history cannot be deleted. The following steps as below:
Step 1. Go to Outlets - Select Outlet - Suspend

A notification will appear to confirm the suspend outlet

Step 2. Outlet has Suspended
The suspended outlet will disappear from the Outlets list:

In case if you need to see suspended outlets, you can use the following filters

The suspended outlet will appear after using filter :

You might also like to read this article:
To add a register to the outlet, you can check this article : Add New Register for Outlet
You need to know that Outlet and Register are different things but both are related. You can check the detailed explanation in this article : Differences Between Outlet & Register
To suspend registers : Suspend Registers