Rated 5 out of 5 stars

Worked OK once I worked out how to install. In Thunderbird. Download the file and then from the menu on the toolbar, select Tools, then Add-ons. In the centre window at the top is a gear symbol, select this and choose install from file.

This review is for a previous version of the add-on (52.0). 

Rated 5 out of 5 stars

Tried for 2 hours to get this add on to work. Most reviews are similar but the odd one which has been successful mention a 'gear' symbol which I don't have. Funny how spell checker works in this box. Perseverance paid off. *****

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

HELLO - ANYONE CARES? This addon has been unavailable for years according to the reviews. Can you please tell us if it will be ever fixed otherwise will revert to Outlook? I need a spol checker.

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

The information provided it very lacking but I managed to find out how to install this using Thunderbird 52.9.1.

1) Download the .xpi file.
2) Go to Tools->Add-ons
3) Click the cog and select "Install Add-on From File"

Hope that helps!

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

No instructions or help on installing this. The dictionary option in TBird is greyed out and the only thing left is 'Download more dictionaries' which brings me here.
If you want this to be a truly viable email client then ridiculous situations like this must be avoided.
I'm not allowed to give no stars, so one, undeserved star is what you get.

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

Not working

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

It is still unobtainable. Downloaded a roll back at least I could get the Yank dictionary, now updated to 60 can't even get that

This review is for a previous version of the add-on (52.0).  This user has a previous review of this add-on.

Rated 1 out of 5 stars

Like most things I want to use or change, it's either difficult, or as in this case, doesn't work

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

LE GAG
"Mozilla ne peut ouvrir ce fichier car il semble corrompu" !!!!!!
J'ai la bonne version 52.9.1
Que dire de plus à tant de ....ie ?
RIEN
J'ai mis 1* car on ne peut pas mettre zéro

This review is for a previous version of the add-on (52.0). 

Rated 1 out of 5 stars

Sadly I can not get this add on to work. It insists on trying to change English to American.

This review is for a previous version of the add-on (52.0). 

Rated 4 out of 5 stars

i love this app

This review is for a previous version of the add-on (45.0).  This user has a previous review of this add-on.