System.IO.FileNotFoundException: 'Could not load file or assembly 'Microsoft.Owin, Version=4.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.' code example

Example: Could not load file or assembly 'office, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c'. The system cannot find the file specified.

<ItemGroup>
    <COMReference Include="Microsoft.Office.Interop.Excel">
        <Guid>{00020813-0000-0000-C000-000000000046}</Guid>
        <VersionMajor>1</VersionMajor>
        <VersionMinor>7</VersionMinor>
        <Lcid>0</Lcid>
        <WrapperTool>primary</WrapperTool>
        <Isolated>False</Isolated>
        <EmbedInteropTypes>True</EmbedInteropTypes>
    </COMReference>
</ItemGroup>