Outlook on the Desktop

Outlook on the Desktop (OotD) is a Windows application that places a live Microsoft Outlook view directly on your desktop. It is designed to keep your calendar and other Outlook content visible all day without needing to keep Outlook in the foreground.

Official Website | Download

Screenshots

Requirements

• Windows 7 or newer
• Microsoft Outlook 2010 or newer installed

Supported Languages

Outlook on the Desktop currently includes these UI language resources:

• English (en-US)
• German (de)
• Spanish (es)
• French (fr)
• Italian (it)
• Portuguese, Brazil (pt-BR)
• Japanese (ja)
• Chinese, Simplified (zh-CN)

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Development

Build Requirements

• .NET 10 SDK for building from source
• Visual Studio 2022 or newer recommended

What the build produces

• OotD.Launcher detects whether Outlook is x86 or x64 and starts the matching executable.
• OotD.Core contains the main Windows Forms application.
• The installer is built from Setup Script.iss during CI.

Project Layout

Path	Purpose
OotD.Core/	Main application code, Windows Forms UI, preferences, controls, and Outlook integration
OotD.Core.Tests/	Unit and integration-style tests for the core app
OotD.Launcher/	Startup launcher that selects the correct executable for Outlook bitness
OotD.x86/	32-bit build target, files symlinked to OotD.Core
OotD.x64/	64-bit build target, files symlinked to OotD.Core
NetSparkle/	Auto-update dependency source
MACTrackBarLib/	Custom trackbar dependency source
ServerStaging/	Staged installer and release assets

Contributing

Issues and pull requests are welcome. If you are changing runtime behavior, UI flows, or installer packaging, validate all of the following before opening a PR:

• The solution builds cleanly in Release
• Tests pass locally
• The correct x86 and x64 launch behavior still works with Outlook installed
• Installer changes still package successfully

License

This project is released under the MIT License. See LICENSE for details.