Importing a ReqIF file results in "Unsuitable filename; please provide an ASCII filename error

Resolving The Problem

• Solution 1:
  Change the ReqIF file location.
   
• Solution 2:
  If you cannot change the file location, create a virtual drive without non-ASCII characters that use the Windows subst command. Map the problem path to an unmapped drive.
  
  ① Open the Windows command line prompt and use the subst command.
  
  Example: (Where J is an unmapped drive)

  subst j: C:\Users\Administrator\Desktop\サポート

  
  
  
  ② You can see the J drive and ReqIF file in Windows Explorer.
  
  
  
  ③Select a file in the J drive and open it.
  
  
  
  ④ There is no problem to open it.
  
  
   
  The virtual drive letter disappears upon restart. If you want to keep it after you restart, create a BAT file with the command and register it in the Windows startup program.
  Alternatively, you can add a registry key.
  For all users
  REGEDIT4 

  [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices] 
  "J:"="\\??\\C:\\Users\\Administrator\\Desktop\\サポート" 

  For an individual user
  REGEDIT4
  [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
  "J Drive"="subst J: C:\\Users\\Administrator\\Desktop\\サポート"