Siemens SIMATIC PCS 7 System Manual page 112

Archive management
8.2 Archive groups
To edit the properties of an archive group, follow these steps:
1. Select the required archive group in the navigation area.
The properties of the selected archive group are displayed in the working area.
2. Edit the properties of the archive group.
3. Click the "Save" button to save the changes.
4. Click the "Dismiss" button to discard the changes.
Deleting archive groups
Deletion is not possible, in order to guarantee data consistency.
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Advanced Process Functions Engineering Manual
System Manual, 07/2016, A5E38719921-AA