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

Arrows at left of Subject column (left arrows and right arrows): What do they mean?

  • 2 replies
  • 1 has this problem
  • 9 views
  • Last reply by Toad-Hall

more options

(These are curved arrows.) They may have to do with the chain of correspondence. Placing the cursor over the arrows does not provide any more information. Nor does searching the Support history in Mozilla Support.

(These are curved arrows.) They may have to do with the chain of correspondence. Placing the cursor over the arrows does not provide any more information. Nor does searching the Support history in Mozilla Support.

Chosen solution

These arrows are refering to whether you have replied and forwarded the email.

Whilst a few icons have been modified over the years, many are still the same as the info : http://kb.mozillazine.org/Icons_-_Thunderbird_2

Read this answer in context 👍 0

All Replies (2)

more options

The left arrows are red and the right arrows are blue. (Something went wrong and this important information was left out of my original question.) (Mozilla would not allow me to edit the question!)

more options

Chosen Solution

These arrows are refering to whether you have replied and forwarded the email.

Whilst a few icons have been modified over the years, many are still the same as the info : http://kb.mozillazine.org/Icons_-_Thunderbird_2