Hi @Samira Sarhadi ,
Can you save as the file with the 2 characters: "ی" and "ک"?
Did this problem only appear in Excel? How about other product? Try to save Word document and Text file.
I suggest you open Excel- go to File- Options- Language, make sure you're using the correct language:
Please be a bit more precise to explain your problem or you can upload a screenshot so that I can get more accurate solutions to this problem. I’m glad to help and follow up your reply.
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