Introduction
Umo Office Viewer is an Office document viewer that supports viewing mainstream Microsoft Office documents, WPS Office documents, OpenDocument Format (ODF), Unified Office Format (UOF), and other common office formats in web pages, and also supports PDF preview. For the full list, see Supported File Formats. Built with Vue 3, it is designed to be lightweight and easy to integrate for online document preview.
This plugin is commercial and requires a license purchase before use. After purchasing the commercial source edition, you will receive the full source code and access to the private repository, which means you can always obtain the latest code and future feature updates. When using Umo Office Viewer, you must comply with the Umo Team Commercial Software License Agreement.
Screenshot
Online Demo
Visit https://office.umodoc.com/#demo to try it quickly.
Use Cases
- Attachment preview: preview document attachments in OA/CRM/project management systems, with download/print/watermark support
- Contract viewing: controlled viewing for legal/sales contracts, with password/watermark and download/export restrictions
- Online courseware display: preview PPT/Word courseware with multi-page mode, sidebar outline, and fullscreen
- Assignment review: teachers preview student submissions and reports online, with convenient printing/export and mobile support
- Product manual preview: e-commerce manuals and installation guides, with optional download/print
- Policy publication: government sites publish regulations, notices, and guides, with share links and watermarks
- Medical reports: secure viewing of medical records and exam reports, with password and sensitive watermarking
- Financial reports: banks/brokers present reports with restricted download/export and dark theme support
- CMS document preview: preview technical docs/whitepapers/manuals before and after publishing
- Cloud storage preview: preview team files in cloud drives/collaboration platforms, with share links and metadata
- System integration: a unified preview component for enterprise systems with multi-format, i18n, and theming
Supported File Formats
Category | Type | Extension | Description |
|---|---|---|---|
Microsoft Office Files | Word | .doc | Word 97-2003 document |
| .docx | Word 2007+ document | ||
| .docm | Macro-enabled Word document | ||
| .dot | Word 97-2003 template | ||
| .dotx | Word 2007+ template | ||
| .dotm | Macro-enabled Word template | ||
Excel | .xls | Excel 97-2003 workbook | |
| .xlsx | Excel 2007+ workbook | ||
| .xlsm | Macro-enabled Excel workbook | ||
| .xlsb | Excel binary workbook | ||
| .xlt | Excel 97-2003 template | ||
| .xltx | Excel 2007+ template | ||
| .csv | Comma-separated values (CSV) | ||
PowerPoint | .ppt | PowerPoint 97-2003 presentation | |
| .pptx | PowerPoint 2007+ presentation | ||
| .pptm | Macro-enabled PowerPoint presentation | ||
| .pps | PowerPoint 97-2003 slideshow | ||
| .ppsx | PowerPoint 2007+ slideshow | ||
OpenDocument Format (ODF) | Text | .odt | ODF text document |
| .ott | ODF text template | ||
| .fodt | Flat XML text document | ||
Spreadsheet | .ods | ODF spreadsheet | |
| .ots | ODF spreadsheet template | ||
| .fods | Flat XML spreadsheet | ||
Presentation / Drawing | .odp | ODF presentation | |
| .otp | ODF presentation template | ||
| .odg | ODF drawing | ||
WPS Office Files | Writer | .wps | WPS text document |
| .wpt | WPS text template | ||
Spreadsheets | .et | WPS spreadsheet file | |
| .ett | WPS spreadsheet template | ||
Presentation | .dps | WPS presentation | |
| .dpt | WPS presentation template | ||
Unified Office Format (UOF) | Text | .uot | UOF text document |
| Spreadsheet | .uos | UOF spreadsheet | |
| Presentation | .uop | UOF presentation | |
Common Formats | Rich text | .rtf | Rich Text Format (RTF) |
Portable Document Format (PDF) | |||
| Data | .csv | CSV (compatible with Excel, WPS, etc.) |
Features
See Features.
Products from Umo Team
- Umo Editor: A localized open-source document editor based on Vue3 and Tiptap.
- Umo Viewer: An open-source, lightweight document viewer for Umo Editor.
- Umo Editor Next: An enhanced version of Umo Editor that includes all features of the latest Umo Editor, with enhanced support for multi-user real-time collaboration, document annotations (comments), version history, AI-assisted creation, import/export, tables, and more. It also improves the customization of toolbars and sidebars.
- Umo Editor Server: A companion server-side software developed to extend Umo Editor capabilities such as multi-user collaborative editing, document annotations, and document import/export.
- Umo Office Viewer: An Office document viewer that supports previewing over 40 mainstream office document formats in web pages.
- Umo Office Convert: Converts over 40 office formats into web-viewable formats, ready to pair with Umo Office Viewer for seamless online document preview.
Custom Development
If you need custom development, please contact us. We can provide paid customized solutions. For details, see Custom Development.
License Agreement
Umo Office Viewer is licensed under the Umo Team Commercial Software License Agreement. By using this software, you agree to comply with the license agreement.