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self-hosted LanguageTool and MS Word Add-in

Tried to use my self-hosted version of the LanguageTool as server for the Word Add-in. Unfortunately i could’t make it work. MS word couldn’t connect to my server.

Is the Word Add In even supported with the self-hostet NON-premium version of LanguageTool?

If so, how can i get it to work? Does my server need to have a SSL Certificate? Or is do you need to tweak the Add In Rules (Trust Score) within MS Word.

Thanks for your help guys!



It’s supposed to work, and it works for me using http://localhost:8081/v2:


Thanks for the Reply.
What keeps me wondering, is that the chrome extension works just fine using the same configuration and server address. Only the Word Add-In cant connect to the self hosted machine

Have you tried starting the LT server with --allow-origin "*"?

Is it possible to set the --allow-origin “*” parameter while using LT as a docker container?
Or do i need to install LT from source ?

I’m sure it’s possible, but I don’t know the technical details… do you use one of the community-contributed Docker files (