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Solved! NTFS Hard Drive Won’t Mount on macOS 10.15.7 After Security Update

CHENGDU, China -- 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.

There are many scattered reports that Microsoft NTFS external hard drive will not mount on macOS Catalina after macOS Security Updates. 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.

Users try to uninstall and reinstall the NTFS driver, but the NTFS external hard drive still does not work. An error feedback " error 49221" occurs when users mount the NTFS drive manually in Disk Utility. Obviously, the security update has created a glitch in drive management. 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.

iBoysoft NTFS for Mac helps mount Windows NTFS drives in read and write mode automatically after the storage devices are recognized by Mac. Then users can open the NTFS drives as they did before the security update. All NTFS are fully adapted for macOS and become editable.

This powerful NTFS for Mac by iBoysoft continues delivering fast and secure NTFS support with its stable self-developed file system driver. In addition to NTFS mounting capability, this utility comes with basic disk management functionalities such as open, eject, repair, format NTFS formatted HDDs, SSDs, USB flash drives, Memory Cards, etc.

More information:

Pricing and Availability

iBoysoft NTFS for Mac v4.2 is ready for macOS 12/11/, 10.15/10.14/10.13 and supports both Intel Macs and Apple Silicon Macs. The installer for macOS 10.12 or earlier is available through support email. It costs $19.95 per license for a yearly subscription. Learn more:

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Business, Free News Articles, Product Launches, Software

Brand-new iBoysoft NTFS for Mac Supports Microsoft NTFS Read-write in macOS Catalina

CHENGDU, China -- iBoysoft (, a leading provider of data security and drive management software, recently releases a brand-new product, iBoysoft NTFS for Mac. Fully compatible with macOS Catalina, the software is designed to help users read, write to, check, repair, and format NTFS drives on Mac seamlessly.

Mac operating systems always have very limited support for Microsoft NTFS formatted drives out of the box. By default, Macs can only open and view files from NTFS formatted hard drives, leaving people unable to edit, copy, or delete anything. Even though users can format the external drive to be compatible with both Windows and Mac, it would lead to severe data loss problems. To help users solve such an incompatibility issue, iBoysoft unveils a brand-new iBoysoft NTFS for Mac, a full-featured NTFS driver for macOS and OS X.

iBoysoft NTFS for Mac delivers full read and write access for NTFS-formatted drives on Mac. It's able to automatically mount NTFS drives in read-write mode, allowing people to modify existing files, to delete files, and to copy new files from NTFS drives to Mac without any hassle. Besides, it features extensive compatibility with all kinds of external storage devices, such as external hard drives, SD cards, memory cards, USB flash drives, and CF cards, etc.

"iBoysoft NTFS for Mac aims to eliminate boundaries between Mac and Windows operating systems. This tool provides fast, sustained file transfer speed with advanced algorithm, so that users don't even notice on which platform their files are", said Tim Luo, the chief executive of iBoysoft.

Besides enabling NTFS write support on Mac, iBoysoft NTFS for Mac is equipped with disk management features. It allows users to view disk details, open a disk, unmount a disk, check disk errors, and erase disk data through one-click. What's more, it also supports erasing FAT32/exFAT/HFS+ disks to NTFS on Mac directly.

iBoysoft NTFS for Mac is the first product that gives full read and write capability for Windows NTFS-formatted drives on the latest macOS Catalina.

In addition, this tool comes up with a simple and intuitive interface which makes disk management easier.

Price and Availability:

iBoysoft NTFS for Mac runs under macOS 10.15 Catalina, macOS 10.14 Mojave, macOS 10.13 High Sierra, macOS 10.12 Sierra, Mac OS X 10.11, OS X 10.10, OS X 10.9, OS X 10.8.

Users can free download the trial version with full features and mount disks 3 times in total. To purchase a lifetime license, users can grab the present offer and enjoy 50% off (list price US$29.95) at

About iBoysoft:
Founded in early 2017, iBoysoft is an innovative and fast-growing software company that provides users with solutions to data recovery for Windows, data recovery for Mac, APFS data recovery, NTFS read/write support on Mac, Mac drive management, and file protection. It has been well-recognized by millions of happy users all over the world.

For more information, please visit the official site:

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