I have always wondered why SharePoint List Views don’t have filters for Is Null and Is Not Null when CAML Queries support it.

U2U CAML Creator

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List View

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Turns out it does. When you select “is equal to” and “is not equal to” and do not enter any text it generates “IS Null” and “Is Not Null” CAML Queries for the View.

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Result into this

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