Hi @Reza Esmaili ,
Welcome to Q&A forum!
In order to better analyze this issue, please provide more information at your convenience.
- Which version of Visio are you using?
- How did you get this Visio file? From other users or created by yourself?
- What is the file extension? What steps have you tried?
Please try the following steps to check this issue.
- Save it as another format and save to another location.
- Copy it to another PC.
- Try to open Visio in safe mode: press Win + R, type visio /safe in the run box, and click Enter. Then open the file to check the issue.
Besides, you could also check if the stpes in the following official articles is helpful.
How to troubleshoot damaged drawings in Visio
Visio cannot open the file
Any updates, pelase let me know.
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