When you start Quicken, it opens the last file you used (located in theQuickenfolder by default). To work with a different file in the same folder, chooseFile menu > Open Quicken File. Quicken can also help youfinda file in another folder.
ChooseHelp menu > Sanitize Data File Copy.
In theSanitize Your Data Filewindow, click theCreate a sanitized copy of your data file button.