MacOS Cannot format to APFS [duplicate]

How do I convert Mac OS Extended Journaled to Apfs?
How do I format a hard drive to HFS+ on a Mac?
How do I revert back to Apple HFS+ from Apfs?
Is Apfs better than Mac OS Journaled?
How do I wipe and reinstall my Mac?
What's the difference between Apfs and Mac OS Extended?
What is the best format for Mac hard drive?
Can a High Sierra read Apfs?
Why can't I partition my external hard drive Mac?
Is Mac OS Extended Journaled the same as HFS+?
What is the difference between Mac OS journaled and case sensitive?

How do I convert Mac OS Extended Journaled to Apfs?

Open Disk Utility and click on View at the upper left corner. ...
Click on Show All Devices. ...
Select the external hard drive to convert to APFS and click Partition button. ...
Double check if the scheme is set to GUID Partition Mac. ...
Set the format to Mac OS Extended Journaled. ...
Then click on Apply > Partition.

How do I format a hard drive to HFS+ on a Mac?

If you use your USB Flash Drive only on a Mac you will want to reformat it to HFS+ (Mac OS Extended (Journal)) which allows larger file sizes. To reformat your USB, select it and then click the Erase Tab. Here you can set the USB name and the file format (Mac OS Extended (Journal)).

How do I revert back to Apple HFS+ from Apfs?

Step 1: Go to Applications > Utilities > Disk Utility. Step 2: Select the drive that you want to convert/revert from APFS to HFS+. Step 3: Click Erase on the top of the Disk Utility window. Step 4: Complete the required name, select Mac OS Extended (HFS+) as the new format and then click the Erase button.

Is Apfs better than Mac OS Journaled?

Newer macOS installations should use APFS by default, and if you're formatting an external drive, APFS is the faster and better option for most users. Mac OS Extended (or HFS+) is still a good option for older drives, but only if you plan on using it with a Mac or for Time Machine backups.

How do I wipe and reinstall my Mac?

Erase and reinstall macOS

Start up your computer in macOS Recovery: ...
In the Recovery app window, select Disk Utility, then click Continue.
In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

What's the difference between Apfs and Mac OS Extended?

APFS, or “Apple File System,” is one of the new features in macOS High Sierra. ... Mac OS Extended, also known as HFS Plus or HFS+, is the file system used on all Macs from 1998 until now. On macOS High Sierra, it's used on all mechanical and hybrid drives, and older versions of macOS used it by default for all drives.

What is the best format for Mac hard drive?

The Best Format for External Hard Drives

If you want to format your external hard drive to work with Mac and Windows computers, you should use exFAT. With exFAT, you can store files of any size, and use it with any computer made in the last 20 years.

Can a High Sierra read Apfs?

Translation: Drives of any type (USB flash drives, SSDs, HDDs) formatted as APFS can be be read from and written to from a Mac using High Sierra, even if it is not formatted as APFS. FileVault volumes are converted from Mac OS Extended to APFS, just like unencrypted volumes.

Why can't I partition my external hard drive Mac?

2020: many of you reported that the “Partition” button is always greyed out. That's because your external drive hasn't been formatted/erased to a Mac-compatible file system yet.

Is Mac OS Extended Journaled the same as HFS+?

Mac OS Extended (Journaled) is also HFS+, but it has an extra mechanism that avoids corruption of the file system when something bad happens, such as loss of power during a write operation. Mac OS Extended (Case Sensitive, Journaled) is HFS+ with a combination of case sensitivity and journaling.

What is the difference between Mac OS journaled and case sensitive?

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.