Supported and Unsupported Features
26 Apr 20241 minute to read
This section describes the support and unsupported elements in the DocIO.
Word document features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Built-in document properties
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Custom document properties
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
No
|
Mail merge
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Encryption and Decryption
|
No
|
No
|
Yes—limited [except Word 2013]
|
Yes—limited [except Word 2013]
|
N/A
|
N/A
|
View setup
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Watermark
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Font substitution table
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Attached Template
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Track changes
|
Yes
|
Yes – limited [can only accept/reject]
|
Yes
|
Yes – limited [can only accept/reject]
|
No
|
No
|
Themes
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Document variables
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
No
|
Macros
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Embedded fonts
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Section features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Headers & footers
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Section break
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Text columns
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Page margin
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Page border
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Page orientation
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Page size
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Header & footer distance
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
No
|
Vertical alignment
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Paragraph elements features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Break – Page break, column break and Line break
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Symbols
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Comments
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Footnote and endnote
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Pictures (*.bmp, *.jpg, *.png, *.emf, *.tif and *.gif)
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Text boxes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
OLE objects
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Predefined shapes
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
Custom shapes
|
No
|
No
|
DrawingML - Yes
VML - No
|
DrawingML - Yes
VML - No
|
No
|
No
|
Grouped shapes
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Equation
|
No
|
No
|
No
|
No
|
No
|
No
|
SmartArt
|
No
|
No
|
No
|
No
|
No
|
No
|
WordArt
|
No
|
No
|
No
|
No
|
No
|
No
|
Bookmark
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Hyperlink
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Chart
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Fields
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Form Fields-TextInput, CheckBox & DropDown
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Paragraph features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Paragraph style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Alignment – left, right, center and justify
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Right to left paragraph
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Lists - bullets and numbers
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Run properties for the paragraph mark
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Suppress hyphenation
|
No
|
No
|
No
|
No
|
No
|
No
|
Indents – left, right, first line & hanging
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Spacing – before, after & auto
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Keeps and breaks
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Text frames
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Tabs
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Borders
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Shading
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Style features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Built-in paragraph style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Custom paragraph style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Built-in character style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Custom character style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Built-in list style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Custom list style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Built-in table style
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Custom table style
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Table features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Nested tables
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Right to left tables
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Table style
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Conditional formatting style
|
No
|
No
|
Yes
|
Yes
|
No
|
No
|
Table alignment
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Table indent
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Allow AutoFit
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Cell margins
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Cell spacing
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Preferred table width
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Table shading
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Table borders
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Floating tables
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Allow row to break across pages
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Repeat as header row
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Height
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Height type
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Cell borders
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Cell shading
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Wrap text
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Fit text
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Horizontal & vertical merged cells
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Vertical alignment
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Text direction
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Text features
Element
|
DOC, DOT
|
DOCX, DOTX, DOTM, DOCM, WordML
|
RTF
|
|
Read
|
Write
|
Read
|
Write
|
Read
|
Write
|
Character style
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Color
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Highlight color
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Language
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Border
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Shading
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Font
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Underline
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Strikethrough
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Double strikethrough
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Subscript/Superscript
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Small caps
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
All caps
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Hidden text
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Scale
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Expanded / Compressed
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Vertical Position
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Blazor supported features
Feature
|
Server and hosted application
|
WASM app
|
Pictures
|
Yes
|
Yes
|
Chart
|
Yes
|
Yes
|
AutoShapes
|
Yes
|
Yes
|
Group Shapes
|
Yes
|
Yes
|
Content control
|
Yes
|
Yes
|
Bookmarks
|
Yes
|
Yes
|
OLE Object
|
Yes
|
Yes
|
Form Fields
|
Yes
|
Yes
|
Watermark
|
Yes
|
Yes
|
Break
|
Yes
|
Yes
|
RTL
|
Yes
|
Yes
|
Header and Footer
|
Yes
|
Yes
|
Footnotes and Endnotes
|
Yes
|
Yes
|
Styles
|
Yes
|
Yes
|
Table Styles
|
Yes
|
Yes
|
Document Settings
|
Yes
|
Yes
|
Mail Merge
|
Yes
|
Yes
|
Updating Document Fields
|
Yes
|
Yes
|
Updating Table of Content
|
Yes
|
Yes
|
Find and Replace
|
Yes
|
Yes
|
Bookmark Navigation
|
Yes
|
Yes
|
Clone and Merge
|
Yes
|
Yes
|
Formatting Table
|
Yes
|
Yes
|
Macro Preservation
|
Yes
|
Yes
|
Document Protection
|
Yes
|
Yes
|
Word to PDF
|
Yes
|
Yes
|
Word to Image
|
Yes
|
Yes
|
RTF to Word
|
Yes
|
Yes
|
Word to WordML
|
Yes
|
Yes
|
WordML to Word
|
Yes
|
Yes
|
Word to ODT
|
Yes
|
Yes
|
Word to Markdown
|
Yes
|
Yes
|