J. P. Gilliver (John) wrote:
In message , Paul
[General]
StartWithLastProfile=1

[Profile0]
Name=default
IsRelative=0
Path=D:\abcd1234.default

Can you rename the profile folder to something different from the
randomly-generated string at the same time as moving it (and tweaking
the .ini as shown above), or is that string also referred to in other
places?

I think that's the only place it is referred to.

I haven't messed with it, to see if it accepts
any old thing. I don't see a particular reason
why the "Name" field must be the same as the
fake "extension" on the end of the folder name
they made for themselves. But you know software
people. They could do anything they wanted, and
examining the source would prove what would work.

http://releases.mozilla.org/pub/thun...60.5.3/source/

I couldn't tell you what Thunderbird does, if the
stated profile simply is not there. The three pane view
in Thunderbird is a kind of "web page", and I'm sure
there's an error handler in there somewhere for
such a case. It would be dumb to not have defensive
programming in place for that.

Paul