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Questions tagged [outlook-addin]

Outlook addins are self-contained programs that modify,extend or add functionality to Microsoft Outlook desktop client. Please use "outlook-web-addins" tag for questions regarding the new model of Outlook Add-ins, which are web-based and can run on Desktop, Web, and Mobile.

Outlook addins are self-contained programs that modify, extend or add functionality to Microsoft Outlook desktop client. They are either COM addins or VSTO addins.

These addins are typically written using tools:

  1. Visual Studio
  2. Visual Studio Tools for Office
  3. VB6

Visual Studio 2013 prior editions provide project templates which can be used to create application-level add-ins for Microsoft Outlook. You can use add-ins to automate Outlook, extend Outlook features, or customize the Outlook user interface.

Links:

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ItemAdd event on a public folder on Exchange

I have a problem with attaching an event handler to an ItemAdd event of a public folder. The problem is the event handler stops being called after a few successful calls. The code is trivial. I have a ThisAddIn class which creates an object…
slonick
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Outlook Add-In and Disabling/Hiding Custom Menu Items

I've created an Outlook Add-In, and I'm using an XML ribbon configuration file to specify a new tab, and button. The button loads into a new tab within outlook. Now sometimes, based on user we want to be able to hide or disable these buttons. What's…
mservidio
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Outlook add-in ClickOnce update settings

I'm trying to deploy Outlook add-in with ClickOnce. While setting the update options I noticed that there are fewer options available for Outlook add in project than there are for Win Forms project. For example I cannot specify minimum required…
Damir
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c# VSTO Outlook link image without it being embedded

I am trying to add an HTML link with an image as the anchor, but when I hit send, Outlook automatically embeds the image in the email which makes it more susceptible to being caught as spam. Basically when I add the email, I get the results this…
MattoTodd
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Alternatives for replacing text selection under Outlook with custom HTML code

I need to replace an user selection while editing an Outlook e-mail with my custom HTML code. I tried two approaches: Using the Clipboard In HTML mode. Getting the Word.Range from the Word.Selection. Doing a range.Copy() to put it in the…
Baadal Gupta
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Outlook add-in button on calendar overview

Is it possible to add a button to the command ribbon for the calendar overview in outlook. The PrimaryCommandSurface extensionpoint doesn't seem to be supported in Outlook add-ins. Adding a button to the appointment edit window isn't enough, because…
jbiversen
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In an Outlook addin, how to check whether we are in compose mode or read mode?

I'm creating an outlook add-in and use the OfficeJS API in React app. In there I want to load a specific set of features for the compose mode and another set of features for the read mode. So my question is, how to see in which mode I'm currently…
THpubs
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Outlook Add In - VersionOverides is not a valid child element of OfficeApp

I'm trying to figure out how to do single sign in authentication for an outlook add-in. I have my manifest file, but whenever I try to upload it, I get the following error: This app can't be installed. The manifest file doesn't conform to the…
Asool
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Call Microsoft Graph API directly from Outlook add-in

I have a React-based SPA Outlook add-in, and I am trying to make calls directly to the Microsoft Graph API. Is there a way to utilize Office.context.mailbox.getCallbackTokenAsync() or Office.context.auth.getAccessTokenAsync() to get an AccessToken…
Dave
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MS Visual Studio can't find Internet Explorer (developing an Outlook web add-in)

I am trying to develop my first every Office add-in (for Outlook). Research shows that this should be a web-based add-in. I create a new project (Outlook web add-in), and try to run it int the debugger & get an error "Unable to start debugging.…
Mawg says reinstate Monica
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Uncaught TypeError: Cannot read property 'Version' of null in outlook-web-16.01.js

outlook-web-16.01.js:13 Uncaught TypeError: Cannot read property 'Version' of null at Object.callback (outlook-web-16.01.js:formatted:4686) at rt (outlook-web-16.01.js:formatted:4272) This is what I get when I tried to use…
Jagath Wijesinghe
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Office VSTO add-in possible permission issues - HRESULT 0x80004004 (E_ABORT)

We've developed a C# Office VSTO add-in, that communicates with a running Outlook instance (or starts a new one), and it is showing signs of having permission issues on some customers PCs while trying to create Outlook tasks or appointments... The…
Laureant
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Office 365, outlook add-in icon does not update

Developing an office 365, outlook add-in. Changed the add-in icon (Basically just replaced the old icons with new one. Icons have the same name.). Icon comes up fine on OWA but on Outlook 2016 add-in still, shows the old icon. Troubleshooting steps…
Alfred DSouza
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Schema name for the message date property

I'm trying to read and write the message date (sent/received) through the PropertyAccessor but can't figure out what the schema name for that property is and am not even sure if I'm passing the schema argument correctly. What's the correct schema…
Val
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How to develop addin for MS Outlook?

How do I develop addin for MS Outlook that works with all 1. Outlook 2010 2. Outlook 2007 3. Outlook 2003 I have developed addin that works well with 2010 and 2007 BUT NOT with 2003. I want something like this that works well with all the above…
Ajn
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