Probability score: 0.6  

Question improvement suggestion: Provide specific details about the versions of the TMs you are trying to merge, any error messages received during the export process, and clarify if you have already attempted the suggested methods.  

In the meantime, based on the information you have provided, here is a suggested answer to your question:  

Hello,  

To merge several Translation Memories (TMs) into a master TM in Trados Studio, you can follow these steps:

**Step 1:** Open Trados Studio and navigate to the **Translation Memories** view.

**Step 2:** Right-click on the TM that you want to keep as the main TM (the master TM) and select **Import**.

**Step 3:** In the Import Files wizard, click on **Add Files...** and select the TMs you want to merge with the main TM. You can select multiple files at once.

**Step 4:** Follow the prompts to complete the merging process. Make sure to check the TMX Import Options to ensure that you are importing the TUs correctly.

**Step 5:** If you encounter issues with the TMX export not working properly, consider checking the TM for any corruption or errors. You may also want to ensure that the TMs you are trying to merge are in a compatible format.

**Step 6:** If you have the Trados Compatibility and Migration Power Pack installed, you can use the **Upgrade Translation Memories** feature, which simplifies the merging process and may resolve some of the issues you are facing.

If you continue to experience problems, please provide more details about the specific error messages or behaviors you are encountering, as this will help in diagnosing the issue further.  

I hope this answer addressed your question. If not, please reject the answer, add the question improvement suggestion information, and click the RWS Community AI checkbox on the right to try again.  

RWS Community AI

You must be having some other Trados version.
There is no possibility to right click select a TM in the TM view.

Import allows importing only tmx files. 

Waste of money.
Even to switch to a competitor would mean to do all this manually

HiRoberta Păun 

Please see if this article helps: How to merge Translation Memories in Trados Studio

Kind regards,