feature. View the passwords Firefox has collected thus far, by choosing the View Saved Passwords button. If Firefox has prefilled your password for so long you've actually forgotten it, this is a good way to retrieve it! The window that opens contains a table of Web sites and the usernames you use at each site, as shown in Figure 14-5. To see your passwords at all sites, click the Show Passwords button to add a new Password column. If you have a Master Password, you need to enter it before you can access the stored passwords even if you've entered it previously. Otherwise, Firefox asks you to confirm the decision. Make sure nobody is looking over your shoulder before you proceed. To hide your passwords again, click the Hide Passwords button. See the section on viewing and clearing saved login information in Chapter 8 for more in-depth help with this feature. Figure 14-5: Firefox allows you to view the passwords it stores, which comes in handy if you forget one of them. Clear some or all of the stored passwords. Click the View Saved Passwords button, select the sites whose saved passwords you want to clear, and click Remove. Otherwise, to remove all saved passwords, click Remove All. These actions take effect immediately and are irreversible. Note that this doesn't turn off the password-saving feature; it only clears the current list of passwords. Instruct Firefox that it's okay to prefill passwords at a particular site where you previously indicated otherwise. When you enter a password at a Web site Firefox hasn't seen before, you can decide whether Firefox should remember the password and prefill it later. If you choose No, Firefox will continue to ask you each time you log in to the site. To minimize distractions, a third option, Never for This Site, allows you to tell Firefox that you never want it to remember passwords you enter on that particular Web site (which is useful if, for example, it's a banking site), and to stop asking you. To reverse this decision later on, click the View Saved Passwords button on the Privacy tab, and then click the Passwords Never Saved tab. Firefox displays a list of Web sites for which you have told it never to ask you about saving. To remove a particular site, select it and click Remove. To clear the entire list, click Remove All. After you remove a site from this list, Firefox will ask you again whether to save the password the next time you try to log in to the site. More information about Saved Passwords is available in Chapter 8. Tidying up your download history As I discuss in Chapter 11, Firefox keeps a record of the files you download so you can access them easily. This is known as download history, and by default, Firefox keeps records of all your downloads until you clear them manually. Note that these are simply records of the download itself; clearing a download record doesn't affect the downloaded file that exists on your computer. To configure or clear download history, follow the directions in the earlier section, "Working One-on-One with Your Data," to get to the Download History tab of the Privacy category of the Options window. From there, you can do any of the following: Specify when the download history is cleared by using the Remove Files from the Download Manager drop-down list. By default, download records remain until you clear them manually, with the Download Manager, the Clear Private Data feature, or the Clear Download History Now button in the Options window. However, you can also instruct Firefox to clear a download record as soon as the corresponding download completes (by selecting Upon Successful Download), or each time you exit Firefox (by selecting When Firefox Exits). Note that if you choose the latter, the new policy begins immediately; in other words, your existing download history will be cleared as soon as you exit Firefox. View your download history in the Download Manager by clicking the View Download History button. The Download Manager is also accessible from the Tools menu in the main Firefox window.