What is Alt + A keyboard shortcut for?

Ardour - Align end(s)  

Microsoft Internet Explorer 11 - Open the Favorites menu from the menu bar  

Microsoft Internet Explorer 11 - Open the Favorites menu  

Zoom (Linux) - Mute/unmute my audio  

Nano - Mark text at the cursor position  

PSPad - Character Table  

Autodesk Maya 2019 - Turn Show Wireframe on or off  

Blender - Play animation toggle  

FastStone Image Viewer - Open all recent files  

Gmsh 4.1.4 - Loop through axes modes  

Harmony 20 - Apply tool to all frames  

Harmony 20 (macOS) - Apply tool to all frames  

Lightworks - Step PullDown sequence  

Modo 12.1 - Automatic  

Paint.NET - Open Adjustments menu  

PhotoDirector 10 - Open adjustment module  

SketchUp - Add page  

FastStone Capture 9.2 - Open all recent files  

i3 (window manager) - Focus parent  

IDA Pro 7.4 - String literals…  

jEdit - Move caret down one screenful  

Komodo Edit - Replace all  

Novelty Visual Novel Maker - Toggle Assets window  

Roblox Studio - Anchor / un-anchor selected object  

TradingView - Add alert  

WinRAR - Add files to archive  

foobar2000 - Stay always on top  

MPC-BE 1.5.4 - Menu audio language  

PotPlayer 1.7 - Cycle audio stream  

Escape from Tarkov - Do a slow left lean  

Microsoft Flight Simulator 2020 - Toggle Master Alternator  

NetHack - Adjust inventory  

NetHack - Redo  

RingCentral Meetings (Desktop) - Mute / unmute audio  

TalkDesk Callbar - Accept call  

WeChat (Desktop) - Take a screenshot  

Zoom (Windows) - Mute/unmute audio  

KeeWeb 1.12.3 - Show all items  

Adobe Captivate 2019 - Create question pool  

Articulate Storyline - Animations option  

Bluebeam Revu - File Access tab  

Edius Pro 9 - Delete Audio of Selected Clip (Follow Mode)  

Figma - Align left  

FL Studio 20 - Arpeggiator  

Freemind - Export branch to new MM file  

Google Sheets - (in Google Chrome) Accessibility menu  

Microsoft Excel 2019 - Go to Data tab  

Microsoft Excel 2019 - Open the Data tab and connect to, sort, filter, analyze, and work with data  

Microsoft PowerPoint 2019 (Creating presentations) - Open the Animations tab  

Nuendo 10 - Activate/Deactivate focused object  

Outlook 2019 and Outlook 2016 - Open the Add list  

Rekordbox 6 - Deck 1: Next track  

Rekordbox 6 - Deck 2: Previous track  

Sage 100 (MAS 90/200) - Save the current record  

Sage 100 (MAS 90/200) - Add a template to the Office Template Manager  

Steinberg Cubase 10.5 - Activate / Deactivate focused object  

GeoGebra - alpha α (Press Shift for upper-case: Α)  

GeoGebra - alpha α (Press Shift for upper-case: Α)  

Merge PACS Workstation - System-wide: Launch Merge Messenger  

Tekla Structures 20 - Create drawings for all parts