Error when using the Retrofit function

I have a large word file (+50k words) that I translated a few months ago. Today I received a revised Word document from the client. I wanted to use the Retrofit function to capture the changes made by the client but when the exercise is completed, I get an error message "cannot access a closed file". How do I resolve this?



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[edited by: Mohammed Abdul Waheed at 7:43 AM (GMT 1) on 2 Aug 2026]
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  • Hello,

    It seems that the error "cannot access a closed file" is likely due to the size of the file and the complexity of the changes made in the revised document. The Retrofit function in Trados Studio is indeed best suited for minor updates rather than extensive structural changes. Here's how you can resolve this issue:

    ### Step 1: Verify the File

    - Ensure that the revised Word document is not corrupted and can be opened without issues in Microsoft Word.

    - Check for any unusual formatting or embedded objects that might cause complications.

    ### Step 2: Use the Alignment Approach

    Since the Retrofit function is struggling with the file, you can follow the alignment method as outlined in the context:

    1. **Prepare the Files**:

      - Use the original source file and the revised target file provided by the client.

    2. **Align the Files**:

      - Open Trados Studio and use the alignment feature to align the original source file with the revised target file.

      - This will create a new translation memory (TM) that captures the changes made by the client.

    3. **Create a New Project**:

      - Create a new project in Trados Studio using the updated source file.

      - Attach the newly created TM

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