> ### Comparing 2D Files

> AutoVue provides the ability to visually compare two files and display color-coded comparative data. When you compare two files, AutoVue displays three windows, the first containing the original file, the second containing the file you compared the original against, and the third containing the comparison results.

> In the Comparison Result window you can specify whether you want to display only the additions, deletions or unchanged, or any combination of the three. To access these options, right-click in any window and select an option from the pop-up menu.

> The comparison results are displayed in different colors to differentiate the results of the file comparison. The comparison options and corresponding colors are:

> Option | Color | Description
> --- | --- | ---
> View Additions | Green | Indicates that something has been added.
> View Deletions | Red | Indicates that something has been deleted.
> View Unchanged | Blue | Indicates that there is no change.

> 1. View the base file in AutoVue.
> 2. From the Analysis menu, select Compare.

> The Open dialog box appears.

> 3. Enter the file name or browse to select the file that you want to compare with the current active file.
> 4. Click OK.

> AutoVue displays three windows, the first displaying the original file, the second displaying the compare file and the third displaying the comparison results.

> Note: If you apply a change from the View menu, all three windows display the synchronized change.

> 5. To access the Compare options, right-click in any of the windows.

> A menu appears displaying the Compare options.

> 6. When comparing AutoCAD files, you can view a file without viewports. To do so, from the View menu, select View Without Viewports.
> 7. To maximize any of the windows, double-click the title bar of the window that you want to maximize. To restore the window, double-click the title bar.
> 8. To exit Compare mode, from the File menu, select Exit Compare.

> The original file appears in the workspace.

> Note: From the AutoVue toolbar, you can also click Exit Compare .

> See Also Specifying Scale and Offset for a Compare File

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