Then swipe up to open the dock, drag the same app icon up and to the side, and it will create two windows for that app. You can do this multiple times. For example, you can have a.

Open Two Instances Of Teams

In version 0.8.5 it was easy to have multiple instances of VLC playing each with its unique stream of data.

• 1Graphical

Graphical

Windows

In versions 2.1.x and 3.x.x playing multiple VLC instances and different streams in each is as easy as clickingTools → Preferences... (or just pressCtrl+P):

• in the Interface tab scroll down to playlist and instances
• untick checkboxAllow only one instance
• untick checkboxuse only one instance when started from file manager
• PressSave.

This allows users to use more than one VLC player at a time. Once you've done the above you should be able to play as many VLC instances and video or audio files as you like.

macOS

On the Mac, running multiple instances of VLC is not supported out of the box.

As a workaround, you can create a Droplet/App that does the following:

• launch the VLC droplet/app to get a separate instance of VLC,
• drop one or more files onto VLC droplet/app, or
• associate your .mov, .avi, and other files directly with the VLC droplet/app, allowing you to simply click on the files to launch the files in a new standalone VLC session.

Paste the code below into a new AppleScript Editor script and save it as an application.

File Association with the Droplet/App can be done as follows:

1. OpenFinder and find the video file of interest
2. Right click on the file (assumes you have right click enabled)
3. Choose Get Info
4. Under Open with:, click dropdown and select the VLC droplet/app
5. ClickChange All button
6. If prompted 'are you sure', select 'Yes'.

Command-line

Two Instances Of Outlook

Use the option --no-one-instance.

Open Two Instances Of App Macros

On *nix systems you can create background jobs:

On Windows systems you might use START:

How-To open multiple instances of an application with OS X

download mp3
It happened to me to have the need to run at the same time the Skype application in Mac OS X being logged with two different accounts, this was needed to test the messaging and file sharing capabilities or simply to be able to receive calls on two different accounts or registered numbers at the same time.

That practice is not actually permitted with the current version of Skype for Mac OS X (Skype Version 2.8.0.251) so I had to find a DIY solution.

At the beginning I tried to copy the application bundle and launch it, wishing that the system was recognising this as a distinct application but unfortunately that didn’t work and Mac OS X was complaining that the application was already running and it could not open a second instance of it (due to a conflict of resources).

Run Two Instances Of Outlook

I then started wondering why in GNU/Linux (that is a not-so-far cousin of Mac OS X UNIX subsystem), wasn’t that difficult to launch from command-line a second instance of an application, so it came to my mind the ‘open’ command that sometimes I use with AppleScript to launch some applications.

Reading the manual of ‘open’ I discovered these two ‘magical’ options:

• The ‘-n’ option, that guarantees the opening of a new instance of the application;
• The ‘-a’ option, that permits to specify the name of an application without the bundle extension ‘.app’ and without specifying the absolute path of the application (that in this case would generally be ‘/Applications/Skype.app’;

Run Two Instances Of Skype

I ended up with this ‘best solution’ to open a second (or further) copy of an application with Mac OS X using the given CLI command ‘open’ as follows:

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