Open file on already open application
14034
Prevent VLC from starting a new instance every time a media file is opened
33446
How do I start a second instance of a program from Unity's launcher?
139931
What is the best way to open a file for exclusive access in Python?
15817
How to make a particular app the default viewer / editor for ALL its supported file types at once?
152597
How to launch the default (native) application for a given file from Java?
120616
Adding "Open In..." option to iOS app
80603
How to create a copy of a file immediately when it's created?
8972
Open With on multiple files?
129661
Open existing file, append a single line
55074
How can I copy an open file using VB6?
1484
Open Excel files in new window
34375
Cannot set a Windows 10 Store App as default program to open a file
128317
open resource with relative path in Java
64003
Associate file extension to UWP Windows 10 app not in "Open With" list
90021
Open file or application as root from GUI
151364
Force file extension to open with specific app (Extensions like .exe, .jpg, .mp4...)
46968
Open PDF file on the fly from a Java application