No, not necessarily. You can filter on a list of data that is not sorted.
The spam filter feature of Microsoft Exchange is a way to avoid all the spam messages to an individual's email account. This puts all the spam messages into a spam folder than can be deleted all at once.
When a filter has been applied to a datasheet, clicking the Toggle Filter button will
Mesh, Slide-out Filter
Auto Filter and Advanced Filter.
xeams is one of the spam filters which can be used for Microsoft Exchange. It helps filter spam messages in emails and can be downloaded and installed onto the same machine in which Microsoft Exchange is present.
Capture filter or a pre-filter
1. Select the data you want to filter 2. Data | Filter | Advanced Filter 3. Click "Unique Records Only"
You can use the Filter to do it.
The Microsoft Exchange Spam Filter is a tool inbuilt to Microsoft Exchange to prevent spam from ending up in your inbox. It's a very handy tool and you can view what's currently in your spam folder by looking under folders and clicking on spam.