Use the Open File dialog box to open an existing file from disk. You can also use this dialog box to open an already opened file using different language encoding options.
To access this dialog box, select Open from the File menu and then choose File. This dialog box also appears when you are opening files from other elements, such as the External Tools dialog box. From the File menu, select Open, and then choose Project/Solution to open the similar Open Project dialog box.
Before opening a project or component in Management Studio, determine the trustworthiness of its code. The act of opening the project or component in a Management Studio may execute its code in a trusted process on your local machine.
Use this option to filter the files and folders that are displayed. Enter a full or partial file name on which to filter. You can use the asterisk (*) as a wildcard.
Files of type
Use this option to filter the contents of the folder or directory selected in Look in for a particular file type.
Open With and Encoding Options
To use the Open With Dialog Box to specify an editor for the target file, select the small rectangle at the right of the Open button and choose Open With. If necessary, you can also specify a language-encoding scheme to apply when opening the selected file. To do so, select a program in the list that contains "with Encoding" and choose Open to display the Encoding Dialog Box. This button is not always available.