The default ImagePropertiesResolver does not handle the RGB24 pixel format and an exception is thrown.

Provide API or mechanism for reusing the already embedded fonts instead of creating a new one when editing an existing document. 

This causes an issue in adobe preflight (font name is not unique).  

The pie chart is not rendered correctly and is not converted to pdf as expected.

PdfProcessing: The Cmap of a custom barcode font is not correctly read and the glyphs cannot be retrieved from it.

Allow insertion of Equations and Formulas. The feature can have merge fields inside the equations.

When a file makes use of differential formats an Index out of range error may be thrown on import.

Office Open XML defines a mechanism for the storage of content which is not defined by this Office Open XML Standard, for example extensions developed by future software applications.

The stored data could be an image.

Exception when there are merge fields in the header/footer and one performs mail merge: 

Unable to cast object of type 'Telerik.Windows.Documents.Flow.Model.Header' to type 'Telerik.Windows.Documents.Flow.Model.BlockBase

Support for exporting WMF (Windows Metafile) and EMF (Enhanced Metafile) images should be implemented.

Workaround: Convert the WMF images to PNG before exporting:

In Excel, this is done by setting this option on the format cells dialog, the protection tab. It allows you to hide the formula when the sheet is protected. 

Wrong matrix calculations lead to incorrect image (Form XObject) during export

Can not import blip element with missing embed attribute with DocxFormatProvider. Exception of type System.ArgumentNullException is thrown with the message: 'Value cannot be null.'

A table that contains a cell with a single block with a lot of new lines is not split correctly.

The following error is thrown when a zip containing duplicate file names is iterated through:
System.ArgumentException: 'An item with the same key has already been added.'

The attached sample project below demonstrates a possible workaround for PAGE and NUMPAGES fields when exporting to PDF. The demo shows how to generate document from scratch containing PAGE and NUMPAGES fields and export it to PDF.

Find and Replace document elements with special characters.

• ^p - Paragraph Mark
• ^t - Tab Character
• ^? - Any Character
• ^# - Any Digit
• ^$ - Any Letter
• ^^ - Caret Character
• ^u - Section Character
• ^v - Paragraph Character
• ^c - Clipboard Contents
• ^n - Column Break
• ^+ - Em Dash
• ^= - En Dash
• ^e - Endnote Mark
• ^d - Field
• ^& - Find What Text
• ^f - Footnote Mark
• ^g - Graphic
• ^l - Manual Line Break
• ^m - Manual Page Break
• ^~ - Nonbreaking Hyphen
• ^s - Nonbreaking Space
• ^- - Optional Hyphen
• ^b - Section Break
• ^w - White Space

When a row or column is inserted in a worksheet that has cells referred from another worksheet, the formula should be updated so it refers to the same values as before the insertion or removal of cells.

Add support for a cross-references field

Wrong UsedCellRange when the worksheet contains a DataValidation rule.

When inserting many values and formulas in a worksheet, it would be useful for the users to have the ability to delay the recalculation for better performance.