The terminal instruction and third-party software can enable Mac to write NTFS. This method is time-consuming than other methods in this article. However, if you already have important data on the disk, you will need to back it up and then format the disk into another format, such as exFAT. Some tutorials recommend format drive to exFAT which has to write support on Windows and Mac. MacOS doesn't support write to NTFS drive. 'Hi, is there any kind to write into an NTFS USB on macOS Sierra, with any terminal instructions or installed additional software? Thanks a lot.'