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Rich Text Box


The rich text box control for WinRT lets you add Microsoft Word-like document editing and formatting capabilities within your Windows Store apps. It has support for viewing, editing, and printing rich text content.

High Performance

Instant Loading

Load large amounts of content instantly.

Fast Editing

Edit and format content without any lag.


The virtualized page rendering approach renders pages on demand and helps reduce the initial load time and memory consumption when working with large documents.

Print and export operations have been performance optimized.

Edit Microsoft Word Files

There is built-in support for working with Microsoft Word files (.DOC and .DOCX). You can seamlessly import, edit, and save back to Microsoft Word format. You can also read and write password-protected Word documents.

Rich Selection of Document Elements

A rich selection of document elements including text, hyperlinks, images, tables, headers, footers, and comments is available.


Easily insert images into the editor and resize them.


Create complex tables with rich formatting.

Bullets and Numbering

Create and manipulate single-level and multilevel lists similar to Microsoft Word.

Insert and edit hyperlinks.


Review existing comments and insert new ones.

Rich Text Formatting Options

Rich text box provides support for all the common text formatting options supported by Microsoft Word such as bold, italics, underline, subscript, superscript, text color, highlight color, font, paragraph alignment, indentation, and more.

Seamless Editing Experience

Enjoys a smooth and responsive editing experience for mouse, touch, and keyboard interfaces. It is also possible to customize the default editing functionalities.

Find and Replace

The search and replace options are similar to Microsoft Word.

Spell Checking

The spell checking options are similar to Microsoft Word.


Cut, copy, and paste formatted content within the same document or to an external application.

Undo, Redo

Perform multiple levels of undo and redo operations.

Import and Export Files

View and edit HTML, XAML, RTF, and plain text files.


Flexible selection options improve the editing experience.

Rich User Interaction

Touch Friendly

Utilize touch-based content selection, editing, zooming, and panning.

Scrolling and Zooming

Interactively zoom page contents through mouse, touch, and keyboard input.

Ribbon Interface

The ribbon interface provides an editing experience similar to Microsoft Word.

Radial menus enhance the editing experience.

Multiple Views

Rich text box provides three types of views: page-by-page, continuous (single page view), and block.


Print the entire Word document or a specific page interactively.


Easily bind the contents of the control using the MVVM pattern.


All static text in the control can be localized to any desired language.

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