File Settings in the Files and Folders Page - VSIX Project
Adding files 
Use the toolbar button, the “Add Files...”
tree/list context menu item or press the + key
while the files panel is focused.
Setting file properties
Use the
toolbar button, the
“Properties...” list context menu item, press the
Enter key while a file in the
“Files” panel is selected or double click on a file.
Depending on the project type, the VSIX File Properties or MSIX/AppX File Properties
dialog will be shown, helping you to configure the file.
Opening files
Use the “Open” context menu item or press the F9 key while a file is selected.
Moving files to a different folder
Select the items to be moved then drag and drop them to the target folder. If you press the SHIFT key while moving the files you will create a duplicate copy of the files.
Removing files
Use the
toolbar button, the “Delete” tree/list context menu item, or
press the Delete key while a file is
selected.
Topics
- VSIX File Properties
Edit file properties in VSIX projects. - MSIX/AppX File Properties
Edit file properties in MSIX/AppX packages