Mermaid PowerPoint Add-in

Create and edit beautiful Mermaid diagrams directly in PowerPoint!

📥 Install the Add-in

Download Manifest File

Download the manifest file and follow the installation steps below

⚠️ Important: PowerPoint Online supports uploading manifest files directly, but PowerPoint Desktop requires manual sideloading to specific folders.

🌐 PowerPoint Online Installation

1. Download the manifest file above
2. Open PowerPoint Online (office.com)
3. Go to InsertOffice Add-insUpload My Add-in
4. Select the downloaded manifest.xml file
5. Click Upload and the add-in will appear in the ribbon!

💻 PowerPoint Desktop Installation

Desktop PowerPoint requires manual sideloading to specific local folders:

📁 Windows Instructions:

1. Download the manifest file above
2. Open File Explorer and navigate to:
%USERPROFILE%\AppData\Local\Microsoft\Office\16.0\Wef\
Create the "Wef" folder if it doesn't exist
3. Copy the downloaded manifest.xml file to this folder
4. Close PowerPoint completely and restart it
5. The add-in should appear in the PowerPoint ribbon!

🍎 Mac Instructions:

1. Download the manifest file above
2. Open Finder and navigate to:
~/Library/Containers/com.microsoft.PowerPoint/Data/Documents/wef
Create the "wef" folder if it doesn't exist
3. Copy the downloaded manifest.xml file to this folder
4. Close PowerPoint completely and restart it
5. The add-in should appear in the PowerPoint ribbon!
💡 Troubleshooting: If you have multiple manifest files or cached versions, delete all files in the wef folder, clear the Office cache, then copy only the new manifest file.

✨ New Features

⚙️
Settings & Themes
Customize fonts, colors, and diagram themes with persistent settings
🚀
Auto-Preview
Insert diagrams directly from code - no need to generate preview first
📝
Create & Edit
Write Mermaid code and see instant previews
🎯
Smart Editing
Click on existing diagrams to edit their source code
📊
Perfect Integration
Diagrams are inserted as high-quality images with preserved aspect ratio
💾
Persistent Storage
Your diagram source code and settings are saved with the PowerPoint file

🔗 Resources

Made with ❤️ for the PowerPoint community