Probability score: 0.7  

Question improvement suggestion: Provide specific details about the version of Trados Studio you are using and any error messages you may have encountered.  

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

Hello Dagny,  

It sounds like you're experiencing some frustrating issues with your SDLXLIFF files in Trados Studio. Here are some steps you can take to troubleshoot and potentially resolve the problem:  

**Step 1:** **Check File Integrity**  

Ensure that the SDLXLIFF files you are trying to open are not corrupted. If possible, try to obtain a fresh copy of the files from the original source.  

**Step 2:** **Recreate the Project**  

Since you mentioned that the files come from a project you didn't create, it might be beneficial to recreate the project using the same source file. Here’s how:  

1. Go to the Projects view and select "New Project" > "New Local Project."  

2. Use the same source file as in the original project.  

3. Add the translation memory (TM) used in the original project during the Translation Resources step.  

4. Click "Finish" to create the project.  

**Step 3:** **Pre-Translate the Files**  

During the batch task pre-translate step, the saved segments in the TM will be used to translate the original source file. This can help retrieve any previously translated segments.  

**Step 4:** **Check for Updates**  

Make sure that your version of Trados Studio is up to date. Sometimes, issues are resolved in newer releases.  

**Step 5:** **Workarounds**  

If the problem persists, consider the following workarounds:  

- Close the SDLXLIFF file, go to File > Options, and untick the option to validate SDL XLIFF documents before reading. Then reopen the file.  

- If you suspect the file type is causing issues, you can add a dummy file type to the project to enable editing and saving the SDLXLIFF file.  

If none of these steps resolve the issue, please provide more details about the version of Trados Studio you are using and any specific error messages you encounter. This information will help in diagnosing the problem 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

Dagny Stochla 

Maybe you are finalising the project which in effect closes it.  Right-click and choose Revert to SDLXLIFF.  Then try and open it.