Hello @Élise

There are a few things that you can do to improve the speed and over all performance.

As I believe you may have your TM's on a server- 

Élise said:

That happens when working with server TMs, and it happened before on 2015 if the server is too slow.

Then please ensure that you have white listed your Studio and MultiTerm applications on your AV exceptions list.

Now go to your project settings- Editor- Translation results window and maybe lower the number of fied values to show

Now maybe check that you have LookAhead enabled 

Another reason for slow TM lookup might be that your TM's are not optimised.

If you see the following  (orange triangle)...

Then I would suggest upgrading your Translation memories (depending on the size- you should set some time aside for this)

Let me know if this helps you.

Hello @Élise

There are a few things that you can do to improve the speed and over all performance.

As I believe you may have your TM's on a server- 

Élise said:

That happens when working with server TMs, and it happened before on 2015 if the server is too slow.

Then please ensure that you have white listed your Studio and MultiTerm applications on your AV exceptions list.

Now go to your project settings- Editor- Translation results window and maybe lower the number of fied values to show

Now maybe check that you have LookAhead enabled 

Another reason for slow TM lookup might be that your TM's are not optimised.

If you see the following  (orange triangle)...

Then I would suggest upgrading your Translation memories (depending on the size- you should set some time aside for this)

Let me know if this helps you.

Hi Steven

Thanks for your answer

I checked all this but:
- 3 field values is the minimum I can show to be useful. I often choose the second or third
- LookAhead is checked, but "Enable Verification" is not, simply because it drags even more when it’s enable (it checks with server TM, which takes sometimes up to 30s, and I can’t edit the next segments during verification). Actually, I should try by deactivating LookAhead; it has a hard time catching up with me, so maybe be deactivating it, it will focus more on the current segment.
- Finally, I always optimize the project TMs. But the problem is not the TMs I add, it’s the server ones that I have no control over.