1. Click the menu "File (F)" -> "Shared folder list management".
    
　"Add shared folder list", "Remove from shared folder list", "Chat",
     "Account shared files" and "Close" buttons are set.

　 a. Add shared folder list:
          Add a shared folder created in online storage such as OneDrive, DropBox, etc.
          to the shared folder list.
          Also, set your own account information for the shared folder.
     b. Remove from shared folder list:
 　　Remove the selected shared folder from the shared folder list.
          In that case, you can choose to delete your account information.
     c. Chat:
 　　Displays the chat of the shared folder with the current icon.
     d. Account sharing files:
          Select a shared folder account and click "Account Shared Files" to
          display a list of files created in the account.
          If the account is your own account, you can add or delete files from the file list.
          If your account is someone else's account, you can only view files.