How to open .VSIX file extension?

If you cannot open a new file that has been saved in the .VSIX format you need to download the appropriate software. The manufacturer of .VSIX files is Microsoft; .VSIX files belong to the Plugin Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .VSIX files. Activities performed in the order described should solve the problems with all the files in the .VSIX format.

• What is .VSIX file?
• How to open .VSIX file?
• What is .VSIX file?