M365 WebApps Foundation - Microsoft Office on Linux

🖥️

Native Desktop Apps

Each Microsoft app runs as a dedicated desktop application with proper window management and taskbar integration

🔒

Offline Licensing

Ed25519 cryptographic signatures ensure your license works without internet connection requirements

⚡

Chromium-Based

Uses your installed Chromium, Chrome, or Edge browser for maximum compatibility and performance

🎯

Isolated Profiles

Each app uses separate browser profiles to prevent conflicts and enable multi-account support

📦

Easy Installation

Install via APT repository or download .deb packages. Desktop launchers configured automatically

🔧

Device Management

Track and manage licensed devices with GitHub-based registry for team and enterprise plans

📦 Installation Options

Choose your preferred installation method - all methods include desktop launchers

🎯 Method 1: APT Repository (Recommended)

Best for: Automatic updates and easy management

# Add Ytech Tools repository
echo "deb [trusted=yes] https://ytech.tools stable main" \
  | sudo tee /etc/apt/sources.list.d/m365-compiled.list

# Install M365 WebApps Foundation
sudo apt update
sudo apt install m365-compiled

# Install desktop launchers
m365ctl -mode install

Updates: sudo apt update && sudo apt upgrade

📥 Method 2: Download .deb Package

Best for: Single-machine installation without repository

📥 Download Latest .deb Package

# Install the package
sudo dpkg -i m365-compiled_*.deb

# Install dependencies if needed
sudo apt -f install

# Install desktop launchers
m365ctl -mode install

Updates: Download and install new .deb when available

🚀 Method 3: AppImage (Universal)

Best for: Run GUI launcher without installation, portable

📥 Download M365-GUI-x86_64.AppImage

# Make executable and run
chmod +x M365-GUI-*.AppImage
./M365-GUI-*.AppImage

# Optional: Integrate with desktop
./M365-GUI-*.AppImage --appimage-extract
# Then move to ~/Applications or /opt

Updates: Download new AppImage when available

Note: AppImage includes GUI launcher only. For full desktop integration, use APT or .deb

📦 Method 4: Flatpak (Sandboxed)

Best for: Maximum security isolation and Flathub users

📥 Download M365-GUI.flatpak

# Install the Flatpak bundle
flatpak install --user M365-GUI.flatpak

# Run
flatpak run io.github.ayadlin.m365_gui

Updates: Download and install new Flatpak when available, or flatpak update if using Flathub

Note: Flatpak includes GUI launcher only. For full desktop integration, use APT or .deb

🎯 Quick Start

After installation:

Find "Microsoft Word", "Microsoft Excel", etc. in your application menu
First launch will open the Microsoft login page
Sign in with your Microsoft 365 account
Activate your M365 WebApps license (see pricing)

💡 Why M365 WebApps?

M365 WebApps provides the best Microsoft Office experience on Linux by combining the full power of Office 365 web apps with native desktop integration. No Wine, no virtual machines, no compromises.

✓ Always up-to-date (uses official Microsoft web apps)
✓ Full Office 365 feature set
✓ Native Linux desktop integration
✓ Secure offline license verification
✓ Easy to follow documentation