However, if you have external disk drives, those are probably not running APFS and are still HFS+ formatted drives. Here’s how you fix that You want to plug in the drive and launch “ Disk Utility “. You can easily do that with Spotlight but it’s also found in the “Utilities” folder within the “Applications” area. To format an external hard drive for Mac with Time Machine, you must follow the steps below. Step 1 Open Finder, Applications, then go to Utilities and Disk Utility. Step 2 Follow the steps above to format the drive, and then you can use it with Time Machine on your Mac system. Your new external Time Machine backup drive must be formatted ahead of time. And the format you need your drive in is Mac OS Extended (Journaled). If you’re unsure of how to do this then read my document here. You’ll need to plug both your external drives into your Mac at the same time. Your Mac needs to see both drives.

Treat the 2 uses differently.

Format: Mac OS Extended (journaled) Name: Backup 1 Apply File Quit System Preferences Time Machine ON. Unlock the lock if it is locked Add or Remove Backup Disk Choose Backup 1. In the upper right of the menu bar: Pull down Time Machine to Back Up Now. I’ve now purchased 2 x 2TB Extreme Portable SSD USB-C Gen-2 external drives. And, I’ve also completed converting the formatting to macOS APFS. I’m prepping these two SSDs for macOS Catalina, which will require APFS for cloning (and, possibly Time Machine - if not, I’ll convert that SSD back to Mac OS Extended - Journaled). 'The backup disk is not in Mac Os Extended (Journaled) format, which is required.' For several days I rebooted the Mac and was able to get it to work for a while, but it eventually failed each day. I tried repairing the drive through Disk Utility, but it failed. Disk utility clearly shows it is formatted in Mac Os Extended (Journaled). Look and see if your external drive is listed as NTFS format, if so you want to reformat the drive using the erase function in Disk Utility and format it as exFAT, FAT, APFS (if supported) or Mac OS Extended. Look at Your System Information. Let’s go to System Information and see all the USB devices connected to your Mac.

A) you do not need to use any drivers for the disk. You can format the disk for Mac use with the Applications -> Utilities -> Disk Utility.

B) to backup your Mac for the upgrade, format the drive as a Mac OS Extended (Journaled) disk drive. This will NOT be readable by Windows, but you can reformat for that task after you upgrade.

Use a Mac backup utility to copy your Mac's data to the external disk. Disk Utility -> Restore can be used to copy your entire system to the external disk, just specify the external disk as the destination for the Restore.

Or you can use SuperDuper (free for a full clone, you only pay if you want the incremental and scheduling features). I think there are older versions available for 10.5

Or Carbon Copy Cloner (free 1 month fully enabled demo). I think there are older versions available for 10.5

C) After you have performed your upgrade and your data is safe, you can choose to blow away the contents of the external disk and reformat it as a Windows exFAT drive that can be read by both Mac and Windows. NOTE: Some Mac file attributes may not transfer, but that would only matter if you were trying to use the exFAT formatted drive as a Mac backup device. But as a file transfer device or a device for storing documents, pictures, movies (data, not programs), then exFAT is OK for that.

If you want to transfer data to Windows first, then just create the exFAT first, transfer your data, then reformat for Mac backup and upgrade.

NOTE: you should be able to use file sharing between the Mac and the Windows system for transferring files.

Sep 24, 2015 12:42 PM

Yo just got a new external hard drive and want to use it on your Mac. However, the Mac OS does not allow you to write data to the drive. You may wonder how to reformat an external hard drive on Mac. Follow the tutorial below, you'll get everything covered.

• Bonus: How to Recover Data from Formatted External Hard Drive on Mac

Reformatting an external hard drive for use with Mac OSX is not as difficult as it might seem. In a few simple steps you are ready to go and can save your back-up files to the external drive, keeping your information safe and giving you peace of mind. Keep in mind that a MAC can generally read other file formats, but for the best performance and to create a bootable disk, formatting exclusively for MAC is required.

Part 1: Which File Format You Should Choose?

Before you begin formatting the drive, there are a few things to do. The most important, you should decide which format to use.

There are a few file formats you can use, but it depends on the purpose you want to use the drive for. Which one is right for your circumstance? We'll describe them here, you'll know your choice after reading the details.

APFS: This is the default file system in Macs with High Sierra. It is efficient and reliable. However, it won't be readable and usable on machines that are not running Mac High Sierra, and Windows or Linux PCs. What's more, it is compatible with SSD and flash storage devices only.

Mac OS Extended (Journaled/HFS+): If you didn't update your Mac OS to High Sierra, the default file system on your Mac shoule be Mac OS Extended. Mac OS Extended (encrypted) would be an ideal option if you probably carry your laptop or external drive here and there. You can encrypt it so that no one can access the contents on your drive.

MS-DOS FAT (aka FAT32): In addition to Mac, it can also be written and read by Linux and Windows. It enables you to regularly share files with your friends who own a PC. Nevertheless, this older file system is limited to no more than 4GB and there might be security issue and disk errors.

ExFAT: It is similar to ExFAT which can be read by both Windows and Mac, but it can store more than 4GB files.

The Backup Disk Is Not In Mac Os Extended Format

NTFS: As the default file system in Windows, it can only read by Mac OS, writing to it is not available. Luckily, there are third-party tools to help you do so.

Part 2: Format External Hard Drive for Mac with Disk Utility

Formatting an external hard drive would erase everything on it. Hence, you must backup your important files before reformatting the drive if you want to save them. The easiest way is to drag it from one drive to another.

All is set, then you can go ahead to format the drive on your Mac. /malwarebytes-lifetime-license-key-generator.html. Disk utility - the MacOS utility application can help you with this. Just follow these steps below:

Step 1. Connect the external drive or the USB drive to the MAC.

Step 2. Start the Disk Utility, located under Applications > Utilities.

Step 3. Find the name of the drive in the left side of the Utilities window and select it. And click Erase button.

Step 4. Follow on-screen prompts to choose Mac OS Extended (Journaled) file system and allow the disk to format.

Bonus: How to Recover Data from Formatted External Hard Drive on Mac

In case you forgot to backup files before formatting the external drive. Slugterra ghoul from beyond download torrent. Here comes the cure - iMyFone AnyRecover - a one-stop solution to recover deleted, lost or formatted files from Mac.

Follow these simple steps using AnyRecover to get your files back!

Get Ready!

First, download and install AnyRecover, following on-screen prompts to accomplish the task.

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Get Set!

• 1. After loading AnyRecover, plug your external hard drive into your Mac directly or via USB.

• 2. Next select the drive under 'External Removable Devices' tab, click 'Start' to begin scanning lost files on the drive.

Go!

• 1. AnyRecover takes a moment to scan your drive. Once done, it will list out all scanning results by file type.

• 2. Double click a single file to preview it before recovery.

• 3. Select the files and press Recover to get them back.

What If?

What if my files were not found? Fear not. We can take this a step further. Enable 'Deep Scan' to try one more time, follow the steps above just as before to locate and recover your files.

Backup Disk Is Not In Mac Os Extended

It is plain to see that AnyRecover for Mac is a tool worthy of top shelf treatment in your arsenal of items that are used to defend, recover and keep your system up and running. Don't get caught without the file you need for that meeting or stumbling looking for baby photos that were stored on disk and suddenly 'hid' from your view. Allow AnyRecover to find and recover your lost files. AnyRecover is easy to use but provides sophisticated results that mean you know what you're doing!