So if you want to format a hard drive in Mac OS X 10.14 Mojave safely, we'll show you how to do it without fear and with ease. The best way to format hard drive in macOS 10.14 Mojave We present DoYourData Super Eraser for Mac that is a powerful and safe tool that will allow you to format hard drives safely under macOS 10.14 Mojave without. It’s really easy to ‘partition' your Mac in High Sierra (if you have a flash or SSD) or in Mojave thanks of APFS. While you can still partition your Mac, you don’t have to, you can just. Nov 13, 2018 Which format to use: APFS or Mac OS Extended. Disk Utility in macOS High Sierra or later can erase most disks and volumes using either the newer APFS(Apple File System) format or the older Mac OS Extended format, and it automatically chooses a compatible format for you. If you want to change the format, answer these questions. May 14, 2020 Erasing macOS Mojave 10.14 Safely. Hope you have backed up the data safely to an external hard drive. Follow the sequences of steps to erase macOS Mojave SSD/HDD: Restart your macOS Mojave and press-hold Command and R keys simultaneously. Shortly, you will boot into macOS Utilities often known as Recovery Mode.
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Disk Utility User Guide
Disk Utility on Mac supports several file system formats:
Apple File System (APFS): The file system used by macOS 10.13 or later.
Mac OS Extended: The file system used by macOS 10.12 or earlier.
MS-DOS (FAT) and ExFAT: File systems that are compatible with Windows.
Apple File System (APFS)
Apple File System (APFS), the default file system for Mac computers using macOS 10.13 or later, features strong encryption, space sharing, snapshots, fast directory sizing, and improved file system fundamentals. While APFS is optimized for the Flash/SSD storage used in recent Mac computers, it can also be used with older systems with traditional hard disk drives (HDD) and external, direct-attached storage. macOS 10.13 or later supports APFS for both bootable and data volumes.
APFS allocates disk space within a container on demand. The disk’s free space is shared and can be allocated to any of the individual volumes in the container as needed. If desired, you can specify reserve and quota sizes for each volume. Each volume uses only part of the overall container, so the available space is the total size of the container, minus the size of all the volumes in the container.
Choose one of the following APFS formats for Mac computers using macOS 10.13 or later.
APFS: Uses the APFS format.
APFS (Encrypted): Uses the APFS format and encrypts the volume.
APFS (Case-sensitive): Uses the APFS format and is case-sensitive to file and folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.
APFS (Case-sensitive, Encrypted): Uses the APFS format, is case-sensitive to file and folder names, and encrypts the volume. For example, folders named “Homework” and “HOMEWORK” are two different folders.
You can easily add or delete volumes in APFS containers. Each volume within an APFS container can have its own APFS format—APFS, APFS (Encrypted), APFS (Case-sensitive), or APFS (Case-sensitive, Encrypted).
Mac OS Extended
Choose one of the following Mac OS Extended file system formats for compatibility with Mac computers using macOS 10.12 or earlier.
Mac OS Extended (Journaled): Uses the Mac format (Journaled HFS Plus) to protect the integrity of the hierarchical file system.
Mac OS Extended (Journaled, Encrypted): Uses the Mac format, requires a password, and encrypts the partition.
Mac OS Extended (Case-sensitive, Journaled): Uses the Mac format and is case-sensitive to folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.
Mac OS Extended (Case-sensitive, Journaled, Encrypted): Uses the Mac format, is case-sensitive to folder names, requires a password, and encrypts the partition.
Windows-compatible formats
Choose one of the following Windows-compatible file system formats if you are formatting a disk to use with Windows.
MS-DOS (FAT): Use for Windows volumes that are 32 GB or less.
ExFAT: Use for Windows volumes that are over 32 GB.
See alsoPartition schemes available in Disk Utility on MacAbout Disk Utility on Mac
Upgrading Mac Mini or MacBook Pro to SSD Drive can significantly boost its performance. You will find below the steps to upgrade Mac to SSD Drive and transfer Data to New SSD Drive on Mac.
Upgrade Mac to New SSD Drive
The main concern when it comes to upgrading Mac to SSD drive is the possibility of data being lost and how to safely transfer data to New SSD Drive on Mac.
Luckily, macOS software provides multiple data transfer methods and you can choose from Time Machine, Migration Assistant or the Cloning method to safely transfer data to new SSD Drive.
Perhaps the easiest way to transfer Data from Mac to New SSD Drive is to use Time Machine, unless you have an older Mac running macOS High Sierra or MacOS Mojave.
In which case, the external hard drive gets formatted as extended journal and cannot be used for Time Machine Backups (you will need to use the cloning method on older Macs).
1. Make Time Machine Backup to External Hard Drive
The first step is to back up all the data and programs on your computer to an external Hard Drive using Time Machine Backup.
1. Connect External Hard Drive to the USB Port of your Mac.
2. Click on the Apple Logo and click on System Preferences in the drop-down menu.
3. On the System Preferences screen, click on Time Machine.
4. On the next screen, check Show Time Machine in menu bar option and click on Select Backup Disk… button.
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5. On the next screen, select your Backup Disk and click on Use Disk button.
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6.. If the selected disk is not formatted, you will be prompted to erase the disk first. Click on Erase to proceed.
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7. After the disk is formatted, click on Backup Now to start the process of Time Machine Backup.
If you are making a Time Machine Backup for the first time, it may take multiple hours to complete the Backup process.
2. Replace Existing Hard Drive on Mac with SSD Drive
Now that you have a Time Machine Backup on a separate external drive, you can safely remove the current Hard Disk on your Mac and replace it with a New SSD Drive.
To upgrade Mac Mini to SSD, you will need a New SSD Drive, TR6 and T8 Screw drivers, Logic Board Removal Tools and Spudger.
To upgrade MacBook Pro to SSD, you will be needing a New SSD Drive, P5 Pentalobe Screwdriver, T5 Torx Screwdriver and Spudger.
The steps to replace 2014 Mac Mini Hard Drive with SSD can be found in this ifixit guide and you should also watch this video on YouTube.
To replace 2015 MacBook Pro Hard Drive with SSD, you can refer to this ifixit guide and you should also watch YouTube videos applicable for your model of MacBook.
3. Format New SSD Drive Using Disk Utility
If you have replaced the Hard Drive on Mac with a New SSD Drive, you need to format the disk to APFS format.
1. Turn on the Mac and immediately press and hold Command + R keys on the keyboard of your computer.
2. Release both the keys when you see your Mac starting with white Apple Logo. This should make your Mac go to macOS Utilities startup screen.
3. On macOS Utilities screen, select Disk Utility option and click on Continue.
4. On the next screen, type a Name for your SSD Drive and click on Apply to start the format process.
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5. When the SSD Drive is formatted, close the screen and this should take you back to macOS utilities startup screen.
4. Transfer Data From Old HDD to New SSD Drive on Mac
The final step is to transfer Data from Old SSD Drive to New SSD Drive on your Mac. You can skip steps 2, 3 below, if you are already on macOS utilities screen.
1. Connect External Hard Drive containing Time Machine Backup to the USB Port of your Mac.
2. Turn on the Mac and immediately press and hold Command + R keys on the keyboard of your computer.
3. Release both the keys when you see your Mac starting with white Apple Logo. This should make your Mac go to macOS utilities startup screen.
4. On macOS utilities screen, select Restore From Time Machine Backup option and click on Continue.
5. On the confirmation screen, click on Continue to confirm.
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6. On the next screen, select your Time Machine Backup Disk as the restore source and click on Continue.
7. Select the New SSD Drive on your Mac as the destination source and click on Restore.
8. Patiently wait for the Restore Process to be competed.
Once Time Machine Restore is completed, restart Mac and see if all your data is intact.
5. Desktop & Apps Missing After Time Machine Restore
In our testing, Desktop Files and Program Files were missing on Mac after Time Machine Restore.
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If this happens, you can always Enter Time Machine > copy desktop files from Time Machine Backup and paste them on your new desktop.
Similarly, you can copy Program Files from Time Machine Backup and paste them in Programs Folder on your Mac.