20,212 questions
Are you sure that the disk is formatted as NTFS?
Open an admin Powershell and run "get-volume". Look at the FileSystemType.
NTFS folder permissions, adding compression
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Allan J. Ashinoff
526
Reputation points
It has been quite some time since I've had to 'archive' TBs of data on a server, typically its backed up off-site and retrieved when needed. In creating an 'archive' folder within a folder I have administrative ownership of I am unable to check the box to 'compress contents to save space'. I could move these files to another server/hard disk, but I have ample space on the system where the 'archive' folder currently resides, it just lacks organization. ![73127-image.png][1] [1]: /api/attachments/73127-image.png?platform=QnA
Windows for business Windows Server User experience Other
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Xiaowei He 9,936 Reputation points2021-03-02T08:25:09.393+00:00 It seems the screenshot you provided is broken, would you please upload the screenshot again, so that we can understand your question more clearly. Thanks.
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Allan J. Ashinoff 526 Reputation points
2021-03-02T08:30:24.253+00:00 
Hopefully this attachment works out better. I've triple checked permissions and even assumed ownership. Shouldn't this ability be something I'm able to activate? What am I missing?
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Xiaowei He 9,936 Reputation points
2021-03-02T08:35:09.35+00:00 Thanks, I am doing research now. If there's any update, I'll feedback as soon as possible.
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MotoX80 36,291 Reputation points2021-03-02T19:24:06.817+00:00 -
Allan J. Ashinoff 526 Reputation points
2021-03-04T20:24:57.53+00:00 Thanks for the reply. I haven't used FAT32 in ages and never on a server. I'll check just to be sure.
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MotoX80 36,291 Reputation points
2021-03-04T21:44:31.493+00:00 Yeah, doesn't hurt to check. You can always blame a co-worker.
What about creating a test folder (or subfolder somewhere) with just a few files in it. Can you set that to be compressed?
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Michael Taylor 60,161 Reputation points2021-03-04T22:50:03.4+00:00 I'm assuming of course that the drive itself supports it because it is NTFS and it is not a permissions issue.
NTFS does not support compression on drives that have large cluster sizes (used to be 4KB or thereabouts I think). Based upon the current docs it also doesn't support compression of files that are over 30GB in size. Also note that compression is not supported on encrypted files.