# IT:AD:ASP.NET:WebAPI:HowTo:OData:Microsoft.aspnet.odata Vs Microsoft.aspnet.webapi.odata # * [[../|(UP)]] {{indexmenu>.#2|nsort tsort}} There are multiple versions of OData -- and for some reason, Microsoft released the relative assemblies under different names. ## Process ## * OData V3: `Microsoft.AspNet.WebApi.OData` * References: * `Microsoft.Data.OData` (OData v1-3) * OData V4: `Microsoft.AspNet.OData` <- **note:** the one to add to new apps. * References: * `Microsoft.OData.Core` * `Microsoft.AspNet.OData` (the earlier OData v1-3, see above) ## Resources ## * https://stackoverflow.com/a/38774327/8076190