What is primary interop assemblies?

The primary interop assemblies are the corresponding runtime callable wrappers for the Microsoft Office applications. An interop assembly is a managed . NET equivalent of a COM type library. An Interop Assembly that is distributed by the owner of the original COM server is called a primary interop assembly (PIA).

Where are primary interop assemblies installed?

The Microsoft Office PIAs are installed in the global assembly cache in drive:/WINDOWS/assembly or drive:/WINNT/assembly. If you did not install . NET Framework before you installed the Office system, the PIAs are not installed with your Office installation.

What is an interop assembly?

Interop assemblies are . NET Framework assemblies that bridge between managed and unmanaged code, mapping COM object members to equivalent . NET Framework managed members. Interop assemblies created by Visual Basic . NET handle many of the details of working with COM objects, such as interoperability marshaling.

What is Microsoft 2010 primary interop assemblies used for?

To use the features of a Microsoft Office application from an Office project, you must use the primary interop assembly (PIA) for the application. The PIA enables managed code to interact with a Microsoft Office application’s COM-based object model.

Does Microsoft Office Interop Excel require Excel to be installed?

Yes, you are right. You need Excel to be installed to use the Excel Manipulation feature with Microsoft. Office. Interop.

What benefit do you get from using a primary interop assembly PIA )?

PIAs are important because they provide unique type identity. The PIA distinguishes the official type definitions from counterfeit definitions provided by other interop assemblies. Having a single type identity ensures type compatibility between applications that share the types defined in the PIA.

What is embed interop types?

Embed Interop Types is a new feature of the . NET 4.0 Framework that allows you to include the attribute information that is normally stored in the Primary Interop Assembly (PIA) in the executable or dynamic-link library (DLL) instead.

What are interop services?

COM Interop is a technology included in the . NET Framework Common Language Runtime (CLR) that enables Component Object Model (COM) objects to interact with . NET objects, and vice versa. In addition, COM Interop allows COM developers to access managed objects as easily as they access other COM objects.

Can I uninstall Microsoft Office 2010 Primary Interop Assemblies?

When you want to uninstall the program, you can go to the Programs and Features to uninstall it. So when you want to uninstall Microsoft Office 2010 Primary Interop Assemblies Redistributable 14.0. 4763.1150, the first solution is to uninstall it via Programs and Features.

How do I get Microsoft Office Interop in Excel?

To add references

1. In Solution Explorer, right-click your project’s name and then click Add Reference. The Add Reference dialog box appears.
2. On the Assemblies page, select Microsoft. Office. Interop. Word in the Component Name list, and then hold down the CTRL key and select Microsoft. Office. Interop. Excel.
3. Click OK.

What is closed XML?

ClosedXML is a . NET library for reading, manipulating and writing Excel 2007+ (. xlsx, . xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.

Where are embed interop types installed?

In Solution Explorer, expand the References folder and select the TypeEquivalenceInterface reference. In the Properties pane, set Embed Interop Types to True.

Do you need to install Primary Interop Assemblies?

” Please install office update: Redistributable Primary interop assemblies to run function.” If you use Microsoft Outlook 2013 or above, you should carry out a repair install of Outlook. For further help with this, contact your IT administrator or refer to Microsoft support.

When do I add a reference to an Interop Assembly?

For example, references to the Office.dll and Microsoft.Vbe.Interop.dll assemblies are added automatically when you add a reference to the Word, Excel, Outlook, Microsoft Forms, or Graph assemblies. The following table lists the primary interop assemblies that are available for Office 2016, Office 2013 and Office 2010.

Are there any interop assemblies for Microsoft Office 2016?

The following table lists the primary interop assemblies that are available for Office 2016, Office 2013 and Office 2010. Microsoft Smart Tags 2.0 Type Library Note: Smart tags are deprecated in Excel 2010 and Word 2010.

Where to find Office 2013 PIAS for install?

In any case, the PIAs will be available by default when Office 2013 is installed – the customer would have to opt out explicitly. < >