PowerShell: How to Allow Anonymous Users to Add Items to a SharePoint List

In this article, I’ll show you how to allow anonymous users to add items to a SharePoint list using PowerShell script. We have the following requirements for script:

  • Allow user to input Site URL and List Name
  • Check to see if the list has Unique permissions or not
  • If not, we will reset broken inheritance first and then set anonymous access to it
  • If yes, we will only set anonymous access on it

    When setting anonymous access to a list, we need to identify the following permissions:

    AddListItems, Open, OpenItems, ViewListItems, ViewVersions, ViewFormPages, ViewPages, UseClientIntegration, UseRemoteAPIs

    Contents of script:

    How does it work?

    Download AnonymousList.ps1 file to your server.

    Run PowerShell script and input URL site; List Name. Click Enter

    Go to your list URL with Anonymous Access to add new item.


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