What is ⌘ Cmd + W keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. DaVinci Resolve 15 (Mac) - Show reference wipe
2. Xcode - Close Window
3. IntelliJ IDEA (macOS) - Close active editor tab
4. Visual Studio Code (Mac) - Close window/instance
5. Apple macOS - Close the front window. To close all windows of the app, press Command + Option + W.

All programs

All programs using this shortcut, by category.

General

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Apple iBooks - Close a window

Apple macOS - Close the front window. To close all windows of the app, press Command + Option + W.

elementary OS - Window overview

Text editing

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Adobe Acrobat 2017 (Mac) - Close Help window

Typora 0.9.81 (macOS) - Close

Imaging

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Adobe Illustrator (Mac) - Close the document window

Adobe Premiere Pro (Mac) - Close

Adobe XD (Mac) - Close

Corel Painter (Mac) - Close

DaVinci Resolve 15 (Mac) - Show reference wipe

OmniGraffle 7 - Close

Pixelmator Pro - Close window

Shotcut (Mac) - Close

Substance Painter (Mac) - Close project

Xcode - Close Window

Xcode - Close the active window (equivalent to the Close command)

xScope - Close

Developer tools

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Coda for iOS - Close tab

CoffeeCup Web Editor - Close file

IntelliJ IDEA (macOS) - Close active editor tab

JetBrains WebStorm (macOS) - Close active editor tab

RStudio (Mac) - Close active document (except on Chrome)

Visual Studio Code (Mac) - Close window/instance

Visual Studio Code (Mac) - Close editor

Visual Studio Code (Mac) - Close

Web applications

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Pocket for Mac - Close Window

File manager

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Adobe Bridge CC (Mac) - Close window

Apple Finder - Close window

Media player

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iTunes 11 for Mac - Close the iTunes window

QLab 4 - Close

QuickTime Player (macOS) - Close window

Social & Messaging

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Apple Messages - Close the Messages window

Cisco Jabber (Mac) - Close chat window

Cisco Webex - Close a shared file or whiteboard

Twitterrific 6 - Close popup or window

Security

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1Password (Mac) - Close the current window.

Productivity

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Apple GarageBand - Close the current window or project

Apple Pages - Close a window

Browser tab management - Close tab

Final Draft 11 (Mac) - Close

iPad Smart Keyboard - Close current tab

iPad Smart Keyboard - Close current tab

iPad Smart Keyboard - Close current tab

iPad Smart Keyboard - Close window

Kindle for Mac - File: Close book

Melodyne 4 (Mac) - Close

QuickBooks Desktop (Mac) - File > Close Window

Tableau (Mac) - Close the current workbook

Things (Mac) - Close current window

Scientific

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GeoGebra - Quit GeoGebra