Problem with opening .docx files composed in thai language

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I got a new computer with Windows 11 installed. For some reason it isn't able to open word docx documents  originally composed in Thai that have been sent to me. I was able to open them when in my previous computer which ran on Windows 10. I believe these documents were composed on computers using Windows 10. But I'm not sure.  Here's the message that I get:

I haven't been able to find much about file permissions that seems applicable to the case here. And my computer has about 1.5 terabytes of memory available. So I don't think it's that.

(I should add that I have no problem in composing docx documents written in Thai or copying and pasting thai text from the internet.)

Any suggestions?

[MJCM]

Which version of Word are you running?

 

And which version of Word is the other person running?

 

Ask the person to send you the file while saving it as "Word 97-2003 Document (*.doc)" and try again

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Just now, MJCM said:

Which version of Word are you running?

 

And which version of Word is the other person running?

 

Ask the person to send you the file while saving it as "Word 97-2003 Document (*.doc)" and try again

Thanks. I'll give that a try.

[Mickeymaus]

You can convert it here from docx to doc for free. Not sure but perhaps this helps. 

 

https://onlineconvertfree.com/convert-format/docx-to-doc/

[connda]

Try installing Libre Office for Windows.
Try opening the Thai .docx file.  If it works, re-save it as .docx format with a different name and then try Word again.

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4 hours ago, connda said:

Try installing Libre Office for Windows.
Try opening the Thai .docx file.  If it works, re-save it as .docx format with a different name and then try Word again.

Thanks, It worked. Interestingly enough, at least to me, when I opened the newly converted file I got this message from Word:

Maybe that's related to why it couldn't open the file when it was a docx.