This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Values set for few parameters, will it be retained after upgrade..

  • 1 cavab
  • 1 has this problem
  • 2 views
  • Last reply by FredMcD

more options

We have ESR 31.1.1 on Solaris, Is values set to "security.tls.version.max" will be lost and reset to new default value after upgrading to ESR 38.7.1?

We have ESR 31.1.1 on Solaris, Is values set to "security.tls.version.max" will be lost and reset to new default value after upgrading to ESR 38.7.1?

All Replies (1)

more options

Create a backup of the current profile and keep it safe.


These add-ons can be a great help by backing up and restoring Firefox

FEBE (Firefox Environment Backup Extension) {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backups of files that you choose.

OPIE {web link} Import/Export extension preferences