Amazing Defragmentation & Optimization software for macOS

iDefrag for Mac

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Download iDefrag 5.1.7

iDefrag 5.1.7

  -  13.45 MB  -  Demo

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of iDefrag 5.1.7.


For those interested in downloading the most recent release of iDefrag for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • iDefrag 5.1.7 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

- Fixed a problem with code signing on one of our KEXTs (this was caused by an update to Xcode that tried to take over management of code signatures, but which unfortunately doesn’t appear to work properly for us). This will cure problems some users are seeing on macOS Sierra (really, this time). Our apologies to those affected.

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