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To see how your web page will appear in a browser, you can preview your work in Internet Explorer or a different web browser. To learn more about Internet Explorer, refer to Using Internet Explorer: The Basics.
When previewing your web page in a browser, you have the choice of which browser to use. With Dreamweaver, you do not have to save a file before previewing it in a browser; however, a prompt will appear asking you to do so. It is suggested that a web page be saved before viewing it in a browser.
To preview your page, from the File menu, select Preview in Browser » browser name
OR
To preview your page using the primary browser, press [F12]
To preview your page using a secondary browser, press [Ctrl]+[F12]
OR
On the Document toolbar, click PREVIEW/DEBUG IN BROWSER
» browser name
NOTE: If you do not see the desired browser listed, refer to Adding a Browser to the Preview in Browser List to add a browser.
If you have not saved your file, a Save changes dialog box appears: click YES
Previewing in multiple browsers may help reveal formatting problems unique to different browsers.
From the File menu, select Preview in Browser » Edit Browser List...
The Preferences dialog box appears.
Under Category, select Preview in Browser
The list of current browsers is shown.
To add a browser, click ADD![]()
The Add Browser dialog box appears.

In the Name text box, type the appropriate name for the browser
To locate the browser, click BROWSE...
The Select Browser dialog box appears.
Find and select your browser
HINT: Most programs are located on your C: drive in the Program Files folder. You want to locate the .EXE (executable) file for the program.
Click OPEN
In the Defaults section, select Primary browser or Secondary browser
NOTES:
A Primary browser is the browser used to display a web page when either it is selected from File » Preview in Browser » first option or [F12] is pressed.
The Secondary browser is the browser used to display a web page when either it is selected from File » Preview in Browser » second option or [Ctrl] + [F12] is pressed.
Click OK
To prevent Dreamweaver from previewing your document using a temporary file, deselect Preview using temporary file
NOTE: All changes on a web page must be saved manually with this option selected.
Click OK