Offhand - Dual-Screen and Multi-Monitor UI
If you have ever played World of Warcraft on a multi-monitor setup, you know the pain. The game insists on centering its 3D viewport across every display, splitting your character in half at the bezels. Blizzard's native UI tools simply do not allow you to move the 3D rendering viewport away from the center of a fullscreen window. That is exactly the frustration Offhand - Dual-Screen and Multi-Monitor UI was built to solve.
This addon acts as a bridge between your monitors. It automatically shunts the core gameplay 3D rendering camera entirely to your primary monitor while extending the 2D interface canvas across both screens. Your character, action bars, and target reticles stay perfectly centered on your main display, just like normal. Meanwhile, your bags, map, chat, and damage meters live on a dedicated workspace screen.
Why Offhand Changes Your Gameplay
True multi-monitor gaming natively forces the UI to center across your bezels, ruining the experience. Offhand eliminates that problem with zero camera bleed. You get unobstructed questing because your World Map can stay open permanently on the offhand monitor without blocking your view. Immersive dual-wielding becomes the default way you play.
- Drag and Drop Persistence: UI panels dragged to the workspace monitor stay there permanently and reopen in their designated spot.
- Custom Bag Support: Natively detects and restores Baganator, Bagnon, AdiBags, ArkInventory, BetterBags, and ElvUI inventory panels.
- Smart Demodalization: Detaches the World Map and Character panels from the Blizzard UI grid so they no longer close when you open other windows.
- Optional Windows Companion App: Spans the game window with one click, bypassing complex GPU Surround or Eyefinity setups.
- Lightweight Performance: Mathematically precise and efficient, whether you push Retail content or survive Classic Era Hardcore.
Supported Game Versions and Addon Compatibility
Offhand - Dual-Screen and Multi-Monitor UI for World of Warcraft supports an impressive range of clients. Retail and Mainline are fully supported, along with WoW Classic Era, Hardcore, and Season of Discovery. Burning Crusade Classic Anniversary, Wrath of the Lich King Classic, Cataclysm Classic, and Mists of Pandaria Classic all work as well. WoW Forever is supported and planned to receive ongoing attention as quickly as possible.
If you want the smoothest path to a working setup, the foxygame.net launcher keeps things simple by handling version matching for you, so the correct build of Offhand - Dual-Screen and Multi-Monitor UI is always the one that loads with your client. It also tracks addon updates in one place, which matters when you are juggling several Classic clients at once.
How to Install Offhand
Getting started is straightforward. First, download Offhand - Dual-Screen and Multi-Monitor UI and place the extracted folder into your Interface\AddOns directory. Log into the game in Windowed mode, not Windowed (Fullscreen), because Windows natively restricts borderless fullscreen to a single monitor. You will be greeted by the Offhand Welcome Guard, which links you to the Companion App.
Run the Companion, click Span Now to stretch the game across your monitors without ugly title bars, then click Launch Wizard or type /oh. The built-in Setup Wizard detects your layout and calibrates resolution, seam, and UI scale in a one-click process. After that, simply drag your bags, map, character sheet, and chat to the secondary monitor and start playing. The /offhand command reopens the configuration panel at any time.
Companion App, Mac, and Linux Notes
The in-game addon functions perfectly on Mac and Linux clients. The one-click Companion App, however, is a Windows executable. Mac and Linux users will need to manually stretch their game window across monitors or rely on their preferred OS window manager. On Windows, the Companion strips away borders and refreshes Offhand's recovery bridge while the game is closed, which helps layouts survive a cold launch on Forever.
Frequently Asked Questions
Does Offhand work on a single ultrawide monitor? Yes. Even with one physical screen, you can offset the 3D camera to one side and leave a blank UI workspace on the other. Will it lower your FPS? Rendering a wider resolution naturally demands more GPU power, but the addon itself is lightweight and will not cause Lua CPU lag or micro-stutters. Is the Companion safe? Yes. The addon uses standard Blizzard UI APIs, and the open-source Companion only resizes your Windows desktop window without touching game memory or automating gameplay.
Can you use ElvUI or other overhauls? Absolutely. Offhand adjusts the rendering viewport, and standard action bars and unit frames adapt to the new viewport seamlessly.
Final Thoughts
Offhand - Dual-Screen and Multi-Monitor UI finally makes a second monitor genuinely useful in World of Warcraft. Instead of minimizing to check a browser or letting bulky panels cover your action, you get a clean main view and a dedicated UI workspace. Whether you raid in Retail or grind Hardcore in Classic Era, equipping your Offhand means dual-wielding your monitors the way the game was always meant to feel.
--- **Update Oct 5, 2026:** Added 1 file for version 5.5.4, 4.4.2, 3.4.5, 2.5.6, 12.1.5, 1.60.1, 1.15.9.