Hi Sonja,

If you right-click on the ... of the Document Types tree in settings you should see the Import Document Type option, you can then choose the *.udt file created from the export.

Thanks but I'm getting Object reference not set to an instance of an object. when I'm trying to import blogpost from the original installation to empty one

    Object reference not set to an instance of an object. 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. 

Stack Trace: 


[NullReferenceException: Object reference not set to an instance of an object.]
   Umbraco.Core.Models.ContentTypeCompositionBase.AddContentType(IContentTypeComposition contentType) +55
   Umbraco.Core.Services.PackagingService.UpdateContentTypeFromXml(XElement documentType, IContentType contentType) +869
   Umbraco.Core.Services.PackagingService.CreateContentTypeFromXml(XElement documentType) +363
   Umbraco.Core.Services.PackagingService.ImportContentTypes(XElement element, Boolean importStructure, Int32 userId, Boolean raiseEvents) +1428
   Umbraco.Core.Services.PackagingService.ImportContentTypes(XElement element, Int32 userId, Boolean raiseEvents) +13
   umbraco.presentation.umbraco.dialogs.importDocumentType.import_Click(Object sender, EventArgs e) +222
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +9782450
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +204
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +12
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +15
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +35
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1639


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3160.0 

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