Support for Office 2019 is added to Add-in Express for Office and .net

Version 9.2 of Add-in Express for Office and .net is published, and we now announce full support for all versions of Office 2000 through 2019 32-bit and 64-bit... Read the rest of this entry →

Add-in Express for Office and Delphi VCL adds support for Office 2019!

Finally, it happened. Today we have published version 9.1 of Add-in Express for Office and Delphi VCL that fully supports all versions of Office 2000 through 2019. The new versions of Add-in Express for Office and .net is expected soon... Read the rest of this entry →

Version 9 of Security Manager for Microsoft Outlook is released!

Microsoft Office 2019 has been around for a few weeks, and Security Manager is the first of our products to support it. The details follow below... Read the rest of this entry →

Problems with ADXTaskPane are solved in Add-in Express for Office v.9

Recently, our mail boxes became overwhelmed with a flow of reports describing how Add-in Express panes appear outside the host application's window. This is a manifestation of how the code calling the SetParent Windows API function can be incompatible with the recent Windows API change supported by Office 2016: Microsoft introduced DPI contexts and related API functions to let you get/set the current context... Read the rest of this entry →

Add-in Express version 9 adds support for multiple monitors in Office

This story started with Windows 10 Fall Creators Update that allowed using different DPIs on different monitors. How does it affect Office extensions? DPI unaware panes/forms are bitmap-stretched by Windows when DPI changes. To avoid this, you need to get notified about the DPI change and resize the form/pane and controls on it, use a different font size, different images (optional) and the form icon... Read the rest of this entry →

Version 9.0 of Add-in Express for Office is out!

Long-term customers of Add-in Express know that we usually sim-ship new releases with new versions of Microsoft Office. This time is different. While Microsoft guys are probably still working on the new features of Office 2019, the new major version of Add-in Express for Office and .net is live already... Read the rest of this entry →

Range.Replace() problems in all Excel versions

Range.Replace() and supposedly Range.Find() may work incorrectly in a scenario we describe on the Excel for Developers forum. A workaround is: change Range.Value directly... Read the rest of this entry →

Add-in Express for Office issues on multiple monitors with different DPI settings

Microsoft has published Office 2016 build 8828.2010 through its Office Insider update channel. That build supports multiple monitors with different DPI settings; the support relies on the API changes provided by Windows 10 Creators Update.... Read the rest of this entry →

Large Address Aware in Outlook 2016

You might have heard of a recent update of Microsoft Outlook 2016 (LAA) that increased the memory available for Outlook from 2GB to 4GB. We've started receiving questions about how to deal with it. This blog is an answer... Read the rest of this entry →

Excel 2016 crashes if COM add-in creates a command bar control in a built-in context menu

Today's blog is about a recent crash reported by our customer. Our research shows that the crash occurs if your VSTO add-in or COM add-in creates a command bar control on a built-in context menu. We reproduce the crash when customizing the Cells context menu in this way... Read the rest of this entry →

Outlook 2010 – 2016 doesn’t let you set WebViewUrl and WebViewOn

We’ve started a new line of blogs to inform Office and Add-in Express developers about problems and solutions related to Microsoft Office and/or Add-in Express products as early as possible... Read the rest of this entry →

Updating Office COM add-ins automatically

To test the example described below, download and run the application installing the sample COM add-in. When the add-in is installed, you start Excel 2000 - 2016 and find the add-in in the UI. Leave Excel open and in a couple of minutes, you'll get a notification suggesting installing an update... Read the rest of this entry →

Add-in Express supports Visual Studio 2017 Release

A couple of days ago, we published a new minor version of Add-in Express for Office and .NET that fully supports the newly released Visual Studio 2017. Now you can use any version of VS 2010 to VS 2017 to quickly create world-class extensions for all Microsoft Office versions and applications from prototype to final release... Read the rest of this entry →

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 →

Add-in Express sim-ships with Visual Studio 2017 RC

Last month Microsoft published Release Candidate of Visual Studio 2017. We, as Microsoft Visual Studio Industry Partner, were invited to support this version at the RC stage, and we were happy to seize the opportunity... Read the rest of this entry →

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