Supported Document Formats

GroupDocs.Annotation Cloud is a REST API and universal document annotator that supports almost all common business document and image file formats.

File FormatDescriptionAnnotate
DOC, DOCXWord Document
OTTOpen Document Standard Format
ODTOpen Document Text File Format
DOCMMicrosoft Word Open XML Macro-Enabled Document
DOTWord Document Template File
DOTXWord Open XML Document Template
DOTMWord Open XML Macro-Enabled Template File
RTFRich Text File Format
TXTPlain Text File Format
PDFPortable Document Format
PPT, PPTXPresentation Document Format
PPSXPowerPoint Open XML Slide Show
ODPOpenDocument Presentation File Format
OTPOpenDocument Presentation Template
XLS, XLSXCells Document Format
XLSBMicrosoft Excel Binary Spreadsheet File
XLSXMicrosoft Excel Open XML Spreadsheet
DICOMDigital Imaging and COmmunication in Medicine
OTPOpenDocument Presentation Template
DJVUDjVu Format
EMF/WMFEnhanced MetaFile / Windows MetaFile
CADComputer-Aided Design
EML/EMLXEmail Markup Language
HTMLHypertext Markup Language
MHTMLMIME HTML File
JPEGJoint Photographic Experts Group
TIFFTagged Image File Format
BMPBitmap
GIF (static images without animation)Graphics Interchange Format
VSDMicrosoft Visio Drawing
VDXMicrosoft Visio XML File Format
VSSMicrosoft Visio Stencil File Format
VSDMMicrosoft Visio Macro-Enabled Drawing File
MSGEmail Message