On 1/2/21 2:55 AM, Remco Rijnders wrote: > On Fri, Jan 01, 2021 at 09:40:59PM -0700, thelma wrote in > <[email protected]>: >> I was using old version of thunderbird and line wrap was in "Option" menu; >> but in new version "line wrap On/Off" disappeared. >> >> How to disable line wrap? > > They make this really impossible to find... Anyways, go to the menu Edit --> > Preferences, then scroll down go to the bottom option in the window that shows > "Config Editor...". Click to accept the risk and void your warranty. In the > search bar, enter "wrap". I think the settings you'll want are > mail.wrap_long_lines and/or plain_text.wrap_long_lines. Double click to change > the values. The changed settings should take effect immediately. > > I hope this helps. > > Kind regards, > > Remco
Yes, I found it. They keep changing these settings; I don't know why. Changing: "mailnews.wraplength" value "72" to "0" Solved the problem thanks

