OneDrive icon overlay: support seems incomplete or missing some settings ?

[wwe]

Hi all bare with me if there is good answer already, I did search through the forum and followed some (old) threads but don't find good reference what and how the overlay icons are expected to work now.

I found this thread: viewtopic.php?t=48394 and added

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[Configuration]
IconOverlaysOneDrive=7

other references:
- viewtopic.php?p=434448
- viewtopic.php?p=451124

attributes I see using the script are following:

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Archive, ReparsePoint Available on this device        blocked-file.reg
525344 Always available on this device                file1.txt
5248544 Available when online                         file2.txt
Archive, ReparsePoint Available on this device        file3.txt
1049632                                               overlay.ps1

I learned overlays are stored in in a registry and verified there are multiple OneDrive keys (and no other sync tools overlay)

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PS C:\Users\user> gci "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\"              
    Hive: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers

Name                           Property
----                           --------
 OneDrive1                     (default) : {BBACC218-34EA-4666-9D7A-C78F2274A524}
 OneDrive2                     (default) : {5AB7172C-9C11-405C-8DD5-AF20F3606282}
 OneDrive3                     (default) : {A78ED123-AB77-406B-9962-2A5D9D2F7F30}
 OneDrive4                     (default) : {F241C880-6982-4CE5-8CF7-7085BA96DA5A}
 OneDrive5                     (default) : {A0396A93-DC06-4AEF-BEE9-95FFCCAEF20E}
 OneDrive6                     (default) : {9AA2F32D-362A-42D9-9328-24A483E2CCC3}
 OneDrive7                     (default) : {C5FF006E-2AE9-408C-B85B-2DFDD5449D9C}
EnhancedStorageShell           (default) : {D9144DCD-E998-4ECA-AB6A-DCD83CCBA16D}
Offline Files                  (default) : {4E77131D-3629-431c-9818-C5679DC83E81}

I see the icons "in general" but somehow the support seems incomplete or I'm missing some settings.

- I see blue cloud icon in case if the file is "cloud-only"
- I see solid green mark if the file is "always keep on this device"
- I don't see "error" overlay when the file has e.g. blocked file type
- I don't see any overlay if the file is "dynamic" neither cloud-only nor "keep on this device"
- I don't see overlays icons on folders (in explorer this overlay are very handy to see where the problematic files are located)

Image: https://drive.google.com/file/d/1ho3Zhp5eaipz6uNX_Sqozh4IHVtnxjNX/view

Thank you in advance

[ghisler(Author)]

What does "blocked file type" mean? I tried blocking an extension in the OneDrive settings, but that didn't give it this "forbidden" icon in Explorer.

[wwe]

Sharepoint Admin can "block" (prevent) uploading certain file types e.g. .ps1 and .reg in my example (details https://learn.microsoft.com/en-us/sharepoint/block-file-types). If a user creates such file locally it would never sync to the cloud, in explorer this file is shown with solid red circle with a cross (same for directories where such files exist)

[ghisler(Author)]

I see - there doesn't seem to be a way to recognize these, or is there a file attribute I can check?

[beb]

Any files/folders that fall under the scope of specific restrictions and limitations listed in the given article would be 'blocked':

Restrictions and limitations in OneDrive and SharePoint
https://support.microsoft.com/en-us/office/64883a5d-228e-48f5-b3d2-eb39e07630fa