Users GuideWS_FTP Pro Note When you turn on this option and click Set as Default, the option is set as the default for all sites; that is, it becomes the setting for all site configurations unless it is overridden by the settings for particular sites and folders.6 Click the Convert tab.7 In the Source text box, enter the file extension of the source file; and in the Destination text box, enter the file extension to convert to. Note that what you enter depends on the file transfer direction. When downloading files, the source is the FTP site, and the destination is your PC. When uploading files, the source is your PC and the destination is the FTP site.Extensions can be up to ten characters long and can contain periods. If you expect the extension to match on a period, you must specify a period. Some example extensions are: .lst .txt, .me, readme. These are not DOS extensions, but the ending characters of a file name.8 Click Add. The extension conversion appears in the list box.WS_FTP Pro automatically converts these extensions when transferring, if Convert Extensions is turned on (on the Session tab).To delete an extension conversion, select it and click Delete.