If this does not help, describe in more detail what you're doing? Are you collaborating with someone, or it's just you using different computers? How do you transfer the file? Which word processor are you using?
Then it is likely that you are either saving the file in an unsupported format, or the citations are stripped during file transmission. What do you use to share the file?
If this does not help, describe in more detail what you're doing? Are you collaborating with someone, or it's just you using different computers? How do you transfer the file? Which word processor are you using?