Office Viewer

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Introduction

This extension lets you preview and edit common office and design files directly in VS Code.

• Excel: .xls, .xlsx, .xlsm, .csv, .ods
• Word: .docx, .dotx
• PowerPoint: .pptx, .pptm
• PDF & eBook: .pdf, .epub
• HEIC/TIFF: .heic, .heif, .tiff
• Design: .psd, .xmind, .icns, .svg
• Font: .ttf, .otf, .woff, .woff2
• Markdown: .md, .markdown
• HTML: .html, .htm
• HTTP request: .http, .rest
• Windows Registry: .reg
• Java: .class (decompiler)
• Compressed files: .zip, .jar, .vsix, .rar, .7z, .tar, .tar.gz, .tgz, .apk

Markdown

This extension replaces the default Markdown editor with a WYSIWYG editor.

To use the built-in VS Code Markdown editor instead, add this to your settings.json:

{
    "workbench.editorAssociations": {
        "*.md": "default",
        "*.markdown": "default"
    }
}

Right-click in the editor to export Markdown to PDF, DOCX, or HTML. PDF export requires Chromium; set the browser path with vscode-office.chromiumPath.

Shortcuts: Based on shortcut.md, plus:

• Move list up: Ctrl Alt I / ⌘ ^ I
• Move list down: Ctrl Alt J / ⌘ ^ J
• Edit in VS Code: Ctrl Alt E / ⌘ ^ E

Other features

• HTML: live preview while editing; press Ctrl+Shift+V to open the live view
• Git History: browse commit graph, view file history, compare revisions, and perform common Git operations from the Source Control view or file context menu
• YAML: document outline and anchor navigation (Go to Definition for alias references)
• Icon theme: includes a subset of Material Icon Theme icons, plus Office Material Icon Theme and One Dark Modern color themes
• Excel: preview and save .xlsx, .xls, .xlsm, .csv, and .ods files (saving .xlsx may lose formatting; .csv does not support GBK-encoded Chinese)
• HTTP: send requests from .http and .rest files (integrated from REST Client with fixes for local request issues); press Ctrl+Enter / ⌘ Enter to send
• Java: decompile and view .class files

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Usage data

Office Viewer collects anonymous usage data to understand which preview features are used, so we can improve the extension. Data is sent to Azure Application Insights via the official @vscode/extension-telemetry module.

What we collect

Event	When	Properties
view.open	A custom preview/editor is opened	viewType (e.g. excel, markdown, pdf), fileType (extension only, e.g. xlsx, md)
gitHistory.view	Git History is opened	mode: repo or file
markdown.export	Markdown is exported from the editor context menu	type: pdf, html, or docx

We do not collect file paths, file names, URLs, repository names, request contents, or other personally identifiable information.

How to opt out

Telemetry is sent only when both of the following allow it:

1. VS Code global telemetry is enabled (telemetry.telemetryLevel is not off, or telemetry.enableTelemetry is true on older versions).
2. Extension telemetry is enabled: set vscode-office.enableTelemetry to false in Settings.

You can also disable all VS Code telemetry in Settings → Application → Telemetry.

Maintainer setup

If you build and publish this extension yourself, see docs/telemetry.md for Azure Application Insights setup and sample queries.

Credits

• PDF rendering: mozilla/pdf.js
• DOCX rendering: VolodymyrBaydalka/docxjs
• PPTX rendering: pptxviewjs
• XLSX rendering:
  • SheetJS/sheetjs: XLSX parsing
  • myliang/x-spreadsheet: XLSX rendering
• EPUB: futurepress/epub.js
• PSD: ag-psd
• XMind: mind-elixir, @mind-elixir/import-xmind
• HEIC conversion: heic2any
• Java decompiler: JetBrains/java-decompiler
• HTTP: REST Client
• Markdown: Vanessa219/vditor
• Material Icon theme: PKief/vscode-material-icon-theme