Windows 10: VS 2019 Community Excel interop in Microsoft 365

carlos de la b · Apr 17, 2020

Good morning,

I used to interop with excel through C#. But after installed the latest version of Microsoft Office now Microsoft 365 I got this error when I try to open excel:

System.InvalidCastException: 'Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}'

These are the references:

This is the path for Microsoft.Office.Interop.Excel :

C:\Windows\assembly\GAC_MSIL\Microsoft.Office.Interop.Excel\15.0.0.0__71e9bce111e9429c\Microsoft.Office.Interop.Excel.dll

Can you tell me what I'm doing wrong?

Carlos.

:)

Ahhzz · Apr 17, 2020

Office 2019

Only supported on Win10. Sorry, 8.1 users, only 4 years old, gotta go.

Microsoft Office 2019 will only work on Windows 10

https://blogs.technet.microsoft.com...-to-office-and-windows-servicing-and-support/

Spoiler Office 2019
Last year at Ignite, we announced Office 2019 – the next perpetual version of Office that includes apps (including Word, Excel, PowerPoint, and Outlook, and Skype for Business) and servers (including Exchange, SharePoint, and Skype for Business). Today we’re pleased to share the following updates:

Office 2019 will ship in H2 of 2018. Previews of the new apps and servers will start shipping in the second quarter of 2018.

Office 2019 apps will be supported on:

Any supported Windows 10 SAC release

Windows 10 Enterprise LTSC 2018

The next LTSC release of Windows Server

The Office 2019 client apps will be released with Click-to-Run installation technology only. We will not provide MSI as a deployment methodology for Office 2019 clients. We will continue to provide MSI for Office Server products.

Adis Rivero · Apr 17, 2020

Office 365 to Office 2019

Hi Sparky#579

Thank you for participating in the Microsoft Community. I'm Independent Advisor from Microsoft

You will not have lost files like word, excel, etc.

I would like to remind you that OndeDrive is not included

I share the difference between Office 365 and Office 2019:

https://support.office.com/en-us/article/what-s...

I share "Office 2019 Commercial for Windows and Mac frequently asked questions":
https://support.microsoft.com/en-us/help/413331...

Let us know if this helps!

Best Regards,

Brink · Apr 17, 2020

New to Microsoft 365 in January 2019

More organizations are embracing a modern workplace, and new features for Microsoft 365 help you meet compliance obligations, empower Firstline Workers, and enrich your Office app experience.Here’s a look at what’s new in January.

New capabilities to help organizations address compliance-related challenges

Today, we announced new information protection and compliance solutions to help organizations meet their privacy and compliance commitments in a simple, integrated, and intelligent way.

Access your compliance and privacy tools in a specialized workspace—The Microsoft 365 compliance center is now available, providing your privacy and compliance teams a specialized workspace with easy access to features including Compliance Manager, sensitivity and retention labels, and tools to help respond to regulatory requirements like GDPR, to deliver a unified experience with actionable insights.

Simplify the eDiscovery process with new integrated capabilities—New capabilities in Advanced eDiscovery help you efficiently manage discovery workflows with new features to notify custodians or employees related to a case or investigation, isolate case-related contents for processing, and use the new built-in review and redact capability to modify sensitive portions of documents before exporting them as part of a legal matter.

Meet communications monitoring compliance obligations for regulated industries—The Office 365 Supervision feature for communications monitoring requirements now includes Microsoft Teams content as well as expanded policy configuration, data classifications, and integrated review to simplify the employee communications review process.

These new capabilities will be available to all Microsoft 365 E5 or Information Protection and Compliance SKU subscribers.

Empowering Firstline Workers to achieve more

This month, we announced new capabilities in Teams to empower Firstline Workers, including the ability to securely communicate while on the go, provide peer recognition, and have visibility into shift scheduling.

Enable Firstline Workers to communicate securely—A new, customizable Teams mobile experience lets Firstline Workers securely communicate and effectively collaborate from anywhere. This new mobile experience is a simple and secure, with several new mobile-only features that specifically benefit Firstline Workers, including location sharing and smart camera. Additionally, IT admins can now apply a prepackaged policy or create a custom policy to give employees role-based access to the Teams modules they need. The customizable mobile experience is now available for all Office 365 subscribers.

Manage schedules directly in Teams with Shifts—Managers can create shift schedules and team members can update their availability, review schedules, and request time off directly in Teams. You can now integrate Shifts with your existing workforce management system through the Graph API for Shifts, available in public preview later this quarter.

Boost motivation and team morale with new Praise tool—The new Praise tool, rolling out this quarter, gives managers and employees a simple way to recognize coworkers, right in the Teams app where the whole team can see it.

Updates to help you easily access Office 365 and your files on Mac and deliver better content

New, integrated features bring more ways on Mac to improve productivity, deliver engaging content, and enhance learning.

Download the Office 365 suite with just one click on the Mac App Store—This month, we announced that that Office 365 is now available on the newly redesigned Mac App Store. With one click, Mac users can download the cloud-connected, always-up-to-date version of the Office suite—including full installs of Word, Excel, PowerPoint, Outlook, OneNote, and OneDrive.

Free up space and easily access your files with OneDrive Files On-Demand for Mac—Files On-Demand is now also available for Mac, making it easier to access all of your files in Office 365 directly in Finder without taking up valuable storage space on your device. You can take files offline for when you’re without an internet connection and free up storage space when you no longer need a local copy of the file. Files On-Demand is now available to all customers running MacOS Mojave.

Engage employees with new interactive visuals and features—Microsoft Photos now makes it easy to create videos with music and narration, text and filters, and even add 3D effects. In February, customers will be able to enhance PowerPoint content by adding Microsoft Stream videos into presentations. And coming soon, teams will have a new way to seamlessly add Microsoft Forms quizzes and polling directly into Microsoft Stream videos.

Other updates

The Office Cloud Policy Service is now in public preview to help administrators manage policies for all Office 365 ProPlus users in their organization.

New improvements to the no-cost SharePoint Migration Tool will help you accelerate your migration to SharePoint Online, OneDrive, and Teams.

Office 365 now saves new documents to OneDrive or SharePoint Online by default, helping provide users access to their files from anywhere and start collaborating with ease.

Integrate conversations from any Yammer group, topic, user, or home feed into any SharePoint page, news article, or site with the new Yammer conversations web part.

Microsoft Forms is now available to Office 365 U.S. Government GCC and GCC High environments.

Click to expand...

Source: New to Microsoft 365 in January - compliance, productivity, and Microsoft Teams updates to help you enable a modern workplace - Microsoft 365 Blog

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