Open command (File menu)

EditPlus

Open command (File menu)
Use this command to open an existing document in a new window.

EditPlus displays the File Open dialog box so you can choose documents to edit. You can open multiple documents at once. Use the Window menu or Document Tabs to switch among the multiple open documents. See Window 1, 2, ... command and Document Tabs.

You can create new documents with the New command.

Shortcuts
Toolbar:    
Keys:    Ctrl+O