This powerful NTFS for Mac by iBoysoft continues delivering fast and secure NTFS support with its stable self-developed file system driver. All NTFS are fully adapted for macOS and become editable. Then users can open the NTFS drives as they did before the security update. IBoysoft NTFS for Mac helps mount Windows NTFS drives in read and write mode automatically after the storage devices are recognized by Mac. iBoysoft immediately updates its NTFS for Mac software to specifically address the NTFS external hard drive not mounting on macOS 10.15.7 after security update. Obviously, the security update has created a glitch in drive management.

An error feedback “ error 49221” occurs when users mount the NTFS drive manually in Disk Utility. Users try to uninstall and reinstall the NTFS driver, but the NTFS external hard drive still does not work.

This issue seems to be recursive as it happened in 2021 after the Security Update 2021-003, and NTFS drives fail to mount again on macOS 10.15.7 after the new Security Update 2022-003, even with a third-party NTFS for Mac driver installed. There are many scattered reports that Microsoft NTFS external hard drive will not mount on macOS Catalina after macOS Security Updates. CHENGDU, China, Ma(SEND2PRESS NEWSWIRE) - iBoysoft ( ), a professional and innovative software developer, upgrades one of its flagship products – iBoysoft NTFS for Mac – to Version 4.2 as the first solution worldwide to the issue that NTFS-formatted external storage devices will not mount after the latest Security Update 2022-003 on macOS Catalina 10.15.7 on March 16, 2022.

Using ntfs on mac