Table of Content
What is an Office add-in?
Figure: Add-in Overview
Using office add-in, developer can do the following things:
Add new functionality to office client:
Using Office add-in, the developer can use external data into the office, add third-party functionality, automate office documents, in-office clients. Example: Microsoft graph API which is used to drives productivity.
Create a new, interactive object which can be embedded in the office document:
Office add-in can provide maps, charts, and provide interactive visualization so that developers can add custom excel sheet and power point presentation.
Office Add-ins XML Manifest
The XML manifest file of Office Add-in is used to describe how your add-in should be activated when any user installs and uses it with documents and applications. The manifest file contains referenced URLs where your web application can reside and other resources for add-in like images. The offappmanifest.xsd is used to describe XML schema that is common to office applications like rich client application and their corresponding web client.
Note: Manifest schema version 1.1 must use in office Add-in.
An XML manifest file is based on schema which enables an office-Add-in which is used to do the following things:
- The XML file is used to describe itself using Id, Version, and Description display name and default locale.
- The XML file is used to specify the location of the HTML which is used to provide the User-Interface of office Add-in.
- The XML file is used to specify the requested default dimension for content add-in and also the requested height for outlook add-in.
- The XML file is used to define permission used by office add-in for reading or writing purposes.
- The XML file is used to display content in the document, in the task pane, or contextually with a message, appointment, or meeting request item.
- XML file defines rules which are used to specify the context in which they will be activated or interact using message, appointment, or meeting request item for outlook add-in.
Manifest v1.1 XML file examples and schemas
The following example show content, task panel, Outlook, and dictionary office add-in:
In Visual Studio, Visual studio manifest designer is used to office add-in manifest setting rather than manually changing XML. By default Visual studio manifest file is opened in the manifest designer. Using manifest, designer makes it easier to find and reduce data-entry error in the drop-down list box.
Example of Content Office Add-in Manifestv1.1
Content office add-in can be directly included in excel or power point and used to add functionality directly into the document. Content add-in provide user interface to run code to edit document or display data from data source.
01eac144-e55a-45a7-b6e3-f1cc60ab0126 en-US\WA123456789 126.96.36.199 Microsoft en-US 400 400 Restricted true
Figure: Content add-in layout
Example of Task-panel Office Add-in Manifestv1.1
Task panel add-in:
Task panel provide interface which typically display on right-side of window inside word, outlook, PowerPoint. Task panel add-in provide user interface to run code to edit document or emails, display data from data source. Task panel is used when no need to add functionality directly into document.
412ce350-4161-4ad0-a5f5-0ec9d2cd3570 188.8.131.52 Microsoft en-US http://www.projectlogin.com http://m.projectlogin.com http://www.projectlogin.com.sa http://m.projectlogin.com.sa ReadWriteDocument
Figure: Task panel add-in layout
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Example of Outlook Office Add-in Manifestv1.1
Outlook office add-in:
971E76EF-D73E-567F-ADAE-5A76B39052CF 1.0 Microsoft en-us ReadWriteItem
In this blog, we have discussed the office add-in and manifest file in the office add-in. We have also discussed the example of content, task panel, outlook add-in in the office.