Posts Tagged ‘COM add-ins’

How to customize MSI installer using Add-in Express ClickTwice custom actions

Let's start with the conclusion: you can deeply customize the UI and behavior of the MSI installer of your Add-in Express based Office extension using a ClickTwice custom action. To see how this works, build the project below, install the add-in by starting the MSI installer, and have a closer look at that installer's UI... Read the rest of this entry →

Localization of Office add-ins using forms-based resources

The article describes how to create a localized version of an Office add-in by using regular forms-based resources without having to apply them manually to each component, form or control... Read the rest of this entry →

Introducing automatic updates for Office extensions

Version 8.3 of Add-in Express for Office and .net added support for automatic updates when using ClickTwice – MSI-based web deployment technology, this technology is closely tied with Add-in Express... Read the rest of this entry →

Outlook 2016 Extensibility

The Office 2016 release is upon us and it is time we start having a closer look at the new features and changes in Outlook as well as what new extensibility the new Office 2016 platform offers to Outlook developers... Read the rest of this entry →

The Office 365 API – OneDrive / Files API

The article demonstrates how to create an Outlook add-in that integrates with OneDrive for Business and gives your users the ability to attach a file to an email directly from OneDrive... Read the rest of this entry →

Office 365 API – Querying Exchange

Today, we'll investigate how to retrieve data such as contacts, calendar entries and e-mails from Exchange. We'll create a simple Excel add-in, using our favourite Office development toolset, Add-in Express for Office and .net, which will import Exchange e-mails, contacts and calendar events into the active Excel workbook... Read the rest of this entry →

Office 365 for developers – What, How, Where?

Office 365 is said to be the most strategic developer surface area for Microsoft in the near future. So, let's take a quick look at what Office 365 has to offer from the developer's perspective... Read the rest of this entry →

Add-in Express sim-ships with Visual Studio 2015 and Office 2016 Preview

I am happy to report good news to all Add-in Express users – we are one of the Microsoft partners to sim-ship our products together with the Visual Studio 2015 RC and Office 2016 Preview... Read the rest of this entry →

Graphics formats for Microsoft Office add-ins

In today's article, we'll explore the various graphic formats supported by MS Office components and how to make them appear the best they can be.... Read the rest of this entry →

Office context menu add-in for Excel, Outlook, Word, PowerPoint

The blog is about an add-in (with the source code) that adds a button to all context menus of Excel, Outlook, PowerPoint, Project, Publisher, Visio and Word in Office 2010-2013. The button shows the name of the context menu.... Read the rest of this entry →

Windows and Office security guide for Office developers

Office add-in security and certificates has always been somewhat of a daunting task. In today's article we'll first investigate code-signing certificates and why they are used. We'll then take a closer look at the Office Trust Center function and settings... Read the rest of this entry →

How to determine when a user has read an Outlook message

In this article, we'll look at how to determine when a user has read an Outlook mail message. We will create an Outlook add-in that illustrates the various methods of responding to the the fact that a user has read an e-mail in Outlook... Read the rest of this entry →

How to implement auto-update for Office add-ins

Automatic updates for software applications' mobile apps have become an everyday occurrence for most users. For a user it provides a level of comfort to know that their software is always up to date with the latest and greatest version. It could also be a source of irritation for many users depending on the frequency of updates – not many users would be happy upgrading to a new version every day... Read the rest of this entry →

How to get unread mail in Outlook: C# code examples

Finding and filtering items in Outlook can be done in a variety of ways and in this article we'll focus on ways to retrieve unread mail from Outlook... Read the rest of this entry →

Working with Outlook attachments programmatically: C# code examples

Many Outlook developers have been faced with programmatically accessing and working with Outlook Item attachments. All Outlook items have the Attachments property, which means attachments can be added to MailItem, ContactItem and AppointmentItem items, to name a few. In this article we'll explore some facets of handling and interacting with attachments in Outlook... Read the rest of this entry →

Sending and updating Outlook Calendar’s appointments and meeting requests

2015 is here, and from all of us at Add-in Express we wish you a very prosperous year. We'll kick off this year by taking a closer look at Microsoft Outlook appointments and meetings... Read the rest of this entry →

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