title: Why the SharePoint2013 web's author is 'i:0#.w',I never add it,Maybe the sharepoint add it automatically
body: <p>When I use the command to get all sharepoint webs ,I found some site's Author is <strong>'i:0#.w'</strong>,I don't know why the sharepoint Automatically add the user.!</p>
  
  <p>Here is the screen capture for the webs <img src="https://i.stack.imgur.com/VQkrv.png" alt="sharepoint infromations"></p>
  
  <p>Here is the MSDN article.<a href="http://technet.microsoft.com/en-us/library/cc263267(v=office.15).aspx" rel="nofollow noreferrer">Plan sites and site collections in SharePoint 2013</a></p>
  
  <pre><code>`Get-SPWebApplication -IncludeCentralAdministration | Get-SPSite -Limit All | Get-SPWeb -Limit All | Select-Object URL, Title, Description, ParentWeb, AssociatedOwnerGroup, SiteAdministrators, WebTemplate, UIVersion, QuickLaunchEnabled, TreeViewEnabled, Language, Locale, Author, HasUniquePerm | Sort URL | export-csv &lt;file location and name.csv&gt;`
  </code></pre>