New 2025 MacBook Air - 8062 file copy errors

How is the external drive formatted? I'd suggest using APFS for SSD and MacOS Extended (GUID) for HDD. exFAT (MBR) only if Windows/Linux compatibility is really needed.

jajaxxon wrote:

All, I do appreciate the replies and ideas - have tried or eliminated all the suggestions - as a ex IBM systems programmer maintaining and modifying mainframe operating systems, I firmly believe this is something to do with the BIOS on the MacBook Air - but cannot figure it out - I will talk to Level 2 at AppleCare and report back - thanks again

Sorry to call this out but it needs to be said

Apple computers do not have a traditional BIOS but instead use Extensible Firmware Interface (EFI) firmware

One may reconsider there position on this matter

Although this question denotes a error message " Error Code 8076 "

The actions this user is performing appear to much like what you are trying to do

" Tried to backup my current document files, from my new 2025 MacBook Air M4 to my 5-year-old Lacie 2TB backup drive (FAT32), which had been used successfully with my 2019 MBP16 (with Intel chip). "

Error Code 8076 - What to Do? - Apple Community

If after exhausting all Options and the user is still in the belief that the EFI Boot ROM is the root cause of this issue

Please read all the inform before proceeding

One wrong step in the order they are presented could Brick the machine

Thanks to fellow contributor @HWTech 👍

" DFU Firmware Restore. Unfortunately this procedure requires access to another Mac currently running macOS 15.x Sequoia. This procedure will reset the security enclave chip, system firmware, and internal SSD as well as pushing a clean copy of macOS onto the internal SSD. "

Don't have the IT background of most posters here so I'm posting in the event it advances the cause in anyway. Running into a similar problem with brand new 2025 MacBook Air. I have an iCloud Drive "Documents" folder containing approx. 30GB data, that is set to "keep downloaded" on both MBAir and my iPad Pro. I also have a Samsung T7 SSD formatted APFS for an occasional extra back-up.

If I try and copy the "Documents" folder from MBAir to SSD, it fails every time with 8062 error. If I copy the folder from iPad Pro to SSD, it works every time. USB-C connections in all cases.

jajaxxon wrote:

First folder copies fine, subsequent folders fail - no matter what the first folder I copy / paste is - first one works, so not permissions, etc.

(1) Did you note the reply from Owl-53 citing BdAqua ... relating to files in the cloud needing to be downloaded before copied?

(2) Have you tried drag/drop copies instead of copy/paste?

P.S. Now I see you may have resolved the issue with a new drive but the other one should work with drag/drop.

jajaxxon wrote:

I just bought a new Seagate 2 TB drive and formatted it to APFS, and IT WORKED

Great! I'd be curious if the old drive works if you as a test erase that whole device as APFS (or maybe first as FAT (MBR) and then as APFS (GUID))?

steve626 wrote:

jajaxxon wrote:

First folder copies fine, subsequent folders fail - no matter what the first folder I copy / paste is - first one works, so not permissions, etc.

(1) Did you note the reply from Owl-53 citing BdAqua ... relating to files in the cloud needing to be downloaded before copied?

(2) Have you tried drag/drop copies instead of copy/paste?

P.S. Now I see you may have resolved the issue with a new drive but the other one should work with drag/drop.

Unfortunately, OP may have been working with the incorrect premise " I firmly believe this is something to do with the BIOS on the MacBook Air "

Does it tell you what error (or errors) happened? Can you tell us what it said?

From a similar question that dates back 4 years

Refer to suggestion by Well Respected contributor @ BDAqua

• Answer to error code 8062

Thank you, Owl-53, for seeing that number as the error code I requested rather than a count of errors. Where was my mind?

markwmsn wrote:

Thank you, Owl-53, for seeing that number as the error code I requested rather than a count of errors. Where was my mind?

You are welcome 🦉 and thank you toooooo 👍