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I have MacBook Pro 16" with 1TB. It had macOS Catalina installed. When macOS Big Sur came out, I created a new partition and installed macOS Big Sur on it. Then I wanted my 778 GB back and tried to delete Macintosh HD partition (it had Catalina installed). I erased it, but I couldn't delete it. Finally, I deleted it using diskutil apfs deleteContainer. Now I have only macOS Big Sur partition but it only uses 222GB altough my MacBook has 778 GB left. diskutil apfs list shows that there is only one container.

 +-- Container disk1 DFC90CF5-A6CC-4E13-AF98-3B90ED5788B5
    ====================================================
    APFS Container Reference:     disk1
    Size (Capacity Ceiling):      222528602112 B (222.5 GB)
    Capacity In Use By Volumes:   185862705152 B (185.9 GB) (83.5% used)
    Capacity Not Allocated:       36665896960 B (36.7 GB) (16.5% free)
    |
    +-< Physical Store disk0s2 438FC4AC-5F27-4362-B253-71B36B93180F
    |   -----------------------------------------------------------
    |   APFS Physical Store Disk:   disk0s2
    |   Size:                       222528602112 B (222.5 GB)
    |
    +-> Volume disk1s1 2EF8C8CF-A45C-4B22-8758-CB9051BD055F
    |   ---------------------------------------------------
    |   APFS Volume Disk (Role):   disk1s1 (Data)
    |   Name:                      Macintosh HD – dane (Case-insensitive)
    |   Mount Point:               /System/Volumes/Data
    |   Capacity Consumed:         169389010944 B (169.4 GB)
    |   Sealed:                    No
    |   FileVault:                 Yes (Unlocked)
    |
    +-> Volume disk1s2 EA4F7F96-351D-4A94-9E35-50F31C28EE15
    |   ---------------------------------------------------
    |   APFS Volume Disk (Role):   disk1s2 (Preboot)
    |   Name:                      Preboot (Case-insensitive)
    |   Mount Point:               /System/Volumes/Preboot
    |   Capacity Consumed:         282976256 B (283.0 MB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk1s3 831782DC-51D8-4B04-B813-AB48C29A6705
    |   ---------------------------------------------------
    |   APFS Volume Disk (Role):   disk1s3 (Recovery)
    |   Name:                      Recovery (Case-insensitive)
    |   Mount Point:               Not Mounted
    |   Capacity Consumed:         661774336 B (661.8 MB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk1s4 C1E9108B-20DE-4573-831C-C810F2BF64CB
    |   ---------------------------------------------------
    |   APFS Volume Disk (Role):   disk1s4 (VM)
    |   Name:                      VM (Case-insensitive)
    |   Mount Point:               /System/Volumes/VM
    |   Capacity Consumed:         24576 B (24.6 KB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk1s5 A4131650-8CF9-42C2-BE28-82301B62B104
        ---------------------------------------------------
        APFS Volume Disk (Role):   disk1s5 (System)
        Name:                      Macintosh HD (Case-insensitive)
        Mount Point:               Not Mounted
        Capacity Consumed:         15392522240 B (15.4 GB)
        Sealed:                    Broken
        FileVault:                 Yes (Unlocked)
        Encrypted:                 No
        |
        Snapshot:                  20283AAA-31E2-4041-BE5E-786DAB66AEBA
        Snapshot Disk:             disk1s5s1
        Snapshot Mount Point:      /
        Snapshot Sealed:           Yes

Below is the output of diskutil list disk0.

   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI ⁨EFI⁩                     314.6 MB   disk0s1
                    (free space)                         777.7 GB   -
   2:                 Apple_APFS ⁨Container disk1⁩         222.5 GB   disk0s2 

I know that erasing the disk will fix this, but I want to know if there is another way to fix it without doing this.

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  • This is possibly a duplicate of the question How to make remove free space and make APFS container take it up. Although, without the output from the command diskutil list disk0, I can not confirm this. Commented Nov 24, 2020 at 15:04
  • This is the output of diskutil list disk0. #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 TB disk0 1: EFI ⁨EFI⁩ 314.6 MB disk0s1 (free space) 777.7 GB - 2: Apple_APFS ⁨Container disk1⁩ 222.5 GB disk0s2 Commented Nov 24, 2020 at 15:43
  • You have the same question as I have linked to. You can not expand a container upward. The best you can do is replicate (clone) to a new container. I would backup my important data before attempting this. Commented Nov 24, 2020 at 16:04
  • Can merging both partitions help? Commented Nov 26, 2020 at 11:51
  • If you use the diskutil command to merge partitions, then the contents of disk0s2 would be lost. Commented Nov 26, 2020 at 12:07

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