Mozilla Frequently Asked Questions

Tip: If you are using Mozilla, you can find your topic by simply typing search keyword (e.g. upgrade directly in the Web page. To repeat a search, press Ctrl+G (Cmd+G on Mac OS X).

General
  1. What is Mozilla?
  2. For whom is Mozilla 1.x intended?
  3. Is Mozilla free?
  4. What features does Mozilla have?
  5. Why are there so many versions of Mozilla? And which one should I choose?
  6. Where can I download language packs or Mozilla in my language?
  7. I cannot find the latest version for Mac OS 9
  8. What are the differences between Mozilla and Netscape 7?
  9. What are the differences between Mozilla and Firefox?
  10. Will Firefox and Thunderbird replace Mozilla Application Suite?
  11. How do I upgrade my version of Mozilla?
  12. Where do I download patches for Mozilla?
  13. Where can I get add-ons for Mozilla functionality?
  14. What keyboard shortcuts are there?
  15. How do I turn on this hidden preference I have heard about?
  16. Does Mozilla include crash recovery?
  17. Can I use AOL Instant Messenger directly in Mozilla, like in Netscape?
  18. Will uninstalling Netscape 4.x affect Mozilla?
Browser
  1. Install Can I install just the browser, not the rest?
  2. System Why doesn't Mozilla allow me to run an .exe (executable file) directly from an Internet location?
  3. System I just installed Mozilla and now it stole the .jpeg and .gif file associations! (Windows)
  4. System How do I make Mozilla my default browser?
  5. Page Display What plug-ins does Mozilla support?
  6. Page Display How do I control how files are handled by the plug-ins / helper applications
  7. Page Display Does Mozilla support ActiveX controls? (Windows)
  8. Page Display Text zoom does not stick. How do I permenantly enlarge/reduce text size?
  9. Page Display How do I block flash
  10. UI I've heard about tabbed browsing. How do I use it?
  11. UI I've heard about popup blocking. How do I do this?
  12. UI Can I control the browser with mouse gestures?
  13. UI How do I change the location of my bookmark
  14. Networking I can only download four files simultaneously.
  15. Networking I'm using dial-up. Can I speed up displaying pages with lots of images?
  16. Networking How do I set up Mozilla to dial (connect) automatically? (Windows)
  17. Networking How do I stop Mozilla from activating the auto-connect? (Windows)
Mail & Newsgroups
  1. Install Can I install just the mail program, not the rest?
  2. System How do I make Mozilla my default mail program?
  3. System Can I use a different mail program with Mozilla?
  4. Mail How do I set up multiple SMTP (outgoing) mail servers?
  5. Mail I cannot find any place to enter my passwords for my accounts. Where do I enter my passwords?
  6. Security Is Mozilla Mail & Newsgroups susceptible to e-mail viruses?
  7. Security How do I use S/MIME, PGP or GnuPG to send and receive signed or encrypted messages?
  8. UI Can I open Mail & Newsgroups in a tab in the browser?
  9. UI Can I access my Netscape WebMail or Hotmail accounts through Mozilla Mail & Newsgroups?
  10. Data How do I import e-mail messages from another mail program?
  11. Data How do I export e-mail messages to another mail program or computer?
  12. Data Why didn't Mozilla migrate my Netscape 4.x address book?
  13. Data How do I import or export address books from or to another program?
  14. UI Does Mozilla come with a spellchecker?
  15. UI Is there a mail notifier in Mozilla?
  16. UI Does Mozilla Mail & Newsgroups include a calendar function?
  17. UI How do I make newsgroup names appear expanded, not abbreviated?
  18. News How do I read or post ROT13 in the newsreader?
  19. News How do I re-arrange newsgroup subscription?
Profile & Backup
  1. What is my profile?
  2. How do I set up multiple profiles?
  3. Where is my profile stored?
  4. What is the @$%#@$%#.slt directory in my profile directory?
  5. How do I move my Netscape 4.x profile to Mozilla?
  6. How do I back up my profile data?
  7. How do I restore my profile data from backup?
  8. How do I rescue my data from a corrupted profile?
  9. How do I transport my profile to a different machine?
  10. Can I share a profile with my copy of Netscape 7, or with an earlier version of Mozilla?
  11. Does Mozilla support roaming profiles?
  12. How do I protect data of my profile?
  13. How do I force Mozilla to open with a specific profile?
Extension & Customizing Mozilla
  1. How do I use different icons for each Mozilla component?
  2. How do I change the splash screen at startup?
  3. Netscape 4 allows you to switch off the pictures in the toolbar buttons. Can I do this in Mozilla?
  4. Can I move the toolbars around?
  5. Can I use RoboForm (form and password manager) with Mozilla?
  6. How do I add/change my search engines?
  7. How do I set up bookmark keywords?
Miscellaneous
  1. Can the Composer edit Cascading Style Sheets (CSS)?
  2. What is IRC (Internet Relay Chat) and what is ChatZilla?
  3. I've clicked on the cZ button and opened ChatZilla. What do I do now?
Getting Involved with Mozilla
  1. How do I get involved with testing Mozilla builds and reporting bugs?
  2. I (or my company) would like to get involved with contributing to the Mozilla code.