What is Ctrl + Insert keyboard shortcut for?

Opera - Copy selection to clipboard  

Quicken 2018 - Copy a field in the register  

Windows 3.1 - Copy selected text or object to the clipboard  

CudaText 1.88.3 - Copy to clipboard  

Evince 3.32 - Copy highlighted text.  

Microsoft FrontPage - Copy text or graphics.  

Most used text editing - Copy selected text  

PDF-XChange Editor - New last child bookmark  

PSPad - CopyEx  

TreePad Lite - Copy the selected text  

ACDSee - Copies the selected portion of an image to the clipboard  

CorelDRAW Graphics Suite 2018 - Copy  

LDCad - Append a new building step  

MyPaint - below  

MyPaint - above  

Paint.NET - Kopyala  

Command Line - Copy currently selected text  

Everything - Copy selected items  

Atom (Windows) - core:copy  

Delphi - Copy selected Block  

FileMaker - Copy selected text  

Free Pascal IDE - Copy selected text to clipboard  

HeidiSQL - Duplicate row  

IntelliJ IDEA (Windows, Linux) - Copy current line to clipboard  

jEdit - Copy selected text to clipboard.  

Microsoft Visual Studio 2017 (All shortcuts) - Edit.Copy  

Microsoft Visual Studio 2017 (Most used shortcuts) - Edit.Copy  

Notepad++ - Copy  

Qt Creator - Copy line  

SQL Server Management Studio (SSMS) - Copy to the Clipboard  

winIDEA - Copy the selection and put it on to the Clipboard  

Far Manager - Copy names of the selected files into clipboard (when command line empty)  

Xyplorer - Duplicate Item  

AIMP - Add folder  

PotPlayer 1.7 - Add current folder to favorites  

NewsBin Pro - Add to scratch list  

FL Studio 20 - Add space at the start of the timeline selection of equal length to the selection  

FL Studio 20 - Insert space equal to the current time-line selection  

Guitar Pro - Insert bar  

MYOB AccountRight - Copy  

Outlook 2019 and Outlook 2016 - Copy  

Outlook 2019 and Outlook 2016 - Copy  

QuickBooks Desktop - Insert a blank detail line in a transaction