List of shell icon overlay identifiers

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Shell icon overlays are icons that Microsoft Windows can display on top of folder icons. A list of icon overlays is specified in the Windows Registry in the location mentioned further in this article. In the current implementation there are 4 bits in a structure that define the overlay index providing for a maximum of 15 overlays, 4 of which are reserved by the operating system.{{Cite web|url=https://superuser.com/questions/1166577/why-does-windows-limit-icon-overlays-to-15|title='Why does Windows limit icon overlays to 15?'|date=January 12, 2017|website=superuser.com|access-date=February 15, 2022}} Therefore, even though more than 11 icon overlay handlers can be registered, only the first 11 icon overlays supplied by icon overlay handlers are effectively displayed. The remaining icon overlay handlers are not used.{{Cite web|url=https://support.microsoft.com/en-us/help/3106961/registered-icon-overlay-handlers-aren-t-used-by-windows-shell|title=Registered icon overlay handlers aren't used by Windows Shell|last=|first=|date=Oct 30, 2015|website=Microsoft Windows Support|archive-url=https://web.archive.org/web/20190531171807/https://support.microsoft.com/en-us/help/3106961/registered-icon-overlay-handlers-aren-t-used-by-windows-shell|archive-date=May 31, 2019|access-date=May 31, 2019}}

Many applications such as versioning software like TortoiseSVN and cloud storage synchronization software like Nextcloud, Dropbox, and OneDrive add their own icon overlay handlers to the Registry upon installation. Below is a table of shell icon overlay identifiers by software.

Location

All shell icon overlay identifiers are located in the Windows Registry.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers

List

class="wikitable sortable" style="width: 85%;"

|+

!Category

!Software

!Registry Name

! scope="col" style="width: 40pt;" | Icon

!Description (Symbol)

!Icon Version (Date)

!Source

rowspan="33" |Cloud Storage Services

| rowspan= "3" |File:Adobe Creative Cloud rainbow icon.svgAdobe Creative Cloud

| style="background: #ccd44e;color: black;" | AccExtIco1

|File:DB-Synced.png{{Cite web|url=https://www.youtube.com/watch?v=nCwFaqhc2sk&t=46s|title=Sync, Store, Share Files from Desktop to Creative Cloud|last=|first=|date=October 21, 2013|website=Youtube.com|access-date=2022-01-31}}

|Synced file or folder; finished sync.

| rowspan="3" |

| rowspan="3" |

style="background: #ccd44e;color: black;" | AccExtIco2

|

|In process of syncing to ACC servers. (Symbol: Horizontal blue arrows)

style="background: #ccd44e;color: black;" | AccExtIco3

|

|unknown (Symbol: unknown)

rowspan="10" |File:Dropbox Icon.svgDropbox

| style="background: #0060FF;color: white;" | DropboxExt01

|File:DB-Synced.png{{Cite web|url=https://superuser.com/a/1453384|title=Which Dropbox icon is for which Icon Overlay Identifier name?|date=June 26, 2019|website=SuperUser.com|access-date=2019-06-27}}{{Cite web|url=https://superuser.com/a/827354|title=Which Dropbox icon is for which Icon Overlay Identifier name?|last=A|first=Danny|date=Oct 16, 2014|website=SuperUser.com|archive-url=https://web.archive.org/web/20190531032947/https://superuser.com/questions/809529/which-dropbox-icon-is-for-which-icon-overlay-identifier-name/1037820|archive-date=May 31, 2019|access-date=2019-06-21}}

|Synced file or folder; finished sync. Downloaded local content on your hard drive.{{Cite web|url=https://help.dropbox.com/installs-integrations/sync-uploads/sync-icons|title=What do the sync icons mean and what should I do if they're missing?|last=|first=|date=|website=help.dropbox.com|archive-url=https://web.archive.org/web/20190621161415/https://help.dropbox.com/installs-integrations/sync-uploads/sync-icons|archive-date=June 21, 2019|access-date=2019-06-21}} (Symbol: Solid Green check ✓)

| rowspan="10" |File:Windows logo - 2012 (dark blue).svg[https://www.dropboxforum.com/t5/Desktop-client-builds/bd-p/101003016 v73.4.118](May 24, 2019)

| rowspan="10" |See inside each cell.

style="background: #0060FF;color: white;" |DropboxExt02

|File:DB-Progress.png

|Sync in progress; in process of syncing to Dropbox servers. (Symbol: Blue w/ rotating arrow)

style="background: #0060FF;color: white;" |DropboxExt03

|File:DB-Error.png

|File:DB-Error.png(Year: 2019): Sync not happening; something wrong due to invalid file names, permission error, rapid multiple edits, or out of storage space. (Symbol: Red X) OR File:DB-GreenLock.png (Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt04

|File:DB-NotSyncing.png

|File:DB-NotSyncing.png(Year: 2019): A file or folder is not syncing when using the Selective-sync feature (meaning you have opted not to sync this file or folder on your computer). In general, selectively synced files or folders will not appear in Dropbox Folder on your computer. However, if you create two files or folders with the same name, the gray icon will appear, indicating that one of the files is not being synced. (Symbol: Gray minus) OR File:DB-BlueLock.png(Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt05

|File:DB-GreenLock.png

|File:DB-GreenLock.png(Year: 2019): Locked: Synced!; View-only access to file or folder. Read-only, cannot edit or share with others. Request edit access with owner. (Symbol: Green check ✓ w/ Lockpad) OR File:DB-Error.png(Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt06

|File:DB-BlueLock.png

|File:DB-BlueLock.png (Year: 2019): Locked: Sync in progress; View-only access to file or folder. Read-only, cannot edit or share with others. Request edit access with owner. (Symbol: Blue w/ rotating arrows and w/ Lockpad) OR File:DB-RedErrorLock.png(Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt07

|File:DB-Cloud.png

|File:DB-Cloud.png(Year: 2019): SmartSync feature, Online-Only content. These appear in your Dropbox Folder on your computer, but they are not fully downloaded. Placeholder icons. (Symbol: Grey w/ white cloud shape) OR File:DB-NotSyncing.png(Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt08

|File:DB-CloudLocked.png

|File:DB-CloudLocked.png(Year: 2019): SmartSync feature, Online-Only content. These appear in your Dropbox Folder on your computer, but they are not fully downloaded. Placeholder icons.View-only access to file or folder. Read-only, cannot edit or share with others. Request edit access with owner. (Symbol: Grey w/ white cloud shape and w/ Lockpad) OR File:DB-GreyLock.png(Year: 2014)

style="background: #0060FF;color: white;" |DropboxExt09

|File:DB-GreenCheckWhite.png

|Mixed State: contains both local and online-only files. (Symbol: White and Green check ✓)

style="background: #0060FF;color: white;" |DropboxExt10

|File:DB-GreenCheckWhite Lock.png

|Locked: Read-only; Mixed State: contains both local and online-only files. (Symbol: White and Green check ✓ w/ Lockpad)

rowspan="7" |File:Antu_onedrive.svgOneDrive Personal

|style="background: #00A4EF;color: white;" |OneDrive1

|File:OneDrive_ERROR.png

|Cannot Sync (i.e. ErrorOverlayHandler Class) (Symbol:Red X)

| rowspan="7" |File:Windows logo - 2012 (dark blue).svg[https://support.office.com/en-gb/article/onedrive-release-notes-845dcf18-f921-435e-bf28-4e24b95e5fc0 v19.070] (May 13, 2019)

| rowspan="7" |[https://superuser.com/a/1377850 1],[https://support.office.com/en-ie/article/what-do-the-onedrive-icons-mean-11143026-8000-44f8-aaa9-67c985aa49b3 2],[https://www.guidingtech.com/disable-check-mark-badges-onedrive/ 3],[https://superuser.com/questions/969655/how-to-remove-onedrive-icon-overlay-checkmarks-in-windows-10 4]

style="background: #00A4EF;color: white;" |OneDrive2

|File:OneDrive_Shared_Human.png

|Shared with others (i.e. [SharedOverlayHandler Class) (Symbol:Green + People)

style="background: #00A4EF;color: white;" |OneDrive3

|File:OneDrive_UpToDate_Cloud.png

|Online-only files do not take up space on your device, file is only available online, but can be downloaded with internet. (i.e. UpToDateCloudOverlayHandler Class) (Symbol: Blue cloud)

style="background: #00A4EF;color: white;" |OneDrive4

|File:OneDrive_GREEN_CHECK.png

|Files is "Always-keep-on device". 'Always available files' download to device and take up space, always available even without internet. (i.e. UpToDatePinnedOverlayHandler Class) (Symbol: Green ✓ w/ solid green background)

style="background: #00A4EF;color: white;" |OneDrive5

|File:OneDrive_Syncing.png

|Sync in progress (i.e. SyncingOverlayHandler Class) (Symbol: Rotating blue arrows)

style="background: #00A4EF;color: white;" |OneDrive6

|File:OneDrive_ReadOnly_Lock.png

|Locked (read only); Has settings preventing it from syncing. (i.e. [ReadOnlyOverlayHandler Class) (Symbol: Green Lockpad)

style="background: #00A4EF;color: white;" |OneDrive7

|File:Onedrive_UpToDate_Unpinned.png

|When you open an online-only file, it downloads to your device and becomes locally available file, even without internet. (i.e. UpToDateUnpinnedOverlayHandler Class) (Symbol: Green ✓ w/ white background)

rowspan="3" |File:Antu_onedrive.svgOneDrive for Business (formerly SkyDrive)

|style="background: #1044b2;color: white;" |SkyDrivePro1 (ErrorConflict)

|File:OneDrive_ERROR.png

|Error Conflict (Symbol: Red X)

| rowspan="3" |File:Windows logo - 2012 (dark blue).svg[https://support.office.com/en-gb/article/onedrive-release-notes-845dcf18-f921-435e-bf28-4e24b95e5fc0 v19.070] (May 13, 2019)

| rowspan="3" |[https://support.office.com/en-us/article/sync-icon-overlays-are-missing-from-onedrive-and-onedrive-for-business-b25070ab-2226-4ad8-b1fc-ae28cc44ecd2 1]

style="background: #1044b2;color: white;" |SkyDrivePro2 (SyncInProgress)

|File:OneDrive_Syncing.png

|Sync in Progress (Symbol: Blue rotating arrow)

style="background: #1044b2;color: white;" |SkyDrivePro3 (InSync)

|File:OneDrive_GREEN_CHECK.png

|In Sync (Symbol: Solid Green check ✓)

rowspan="5" |File:Nextcloud_Logo.svgNextCloud

|style="background: #0082C9;color: white;" |OCError

|File:OCError-NextCloud.png

|Sync Error or Blacklisted file (Symbol: Red X)

| rowspan="5" |File:Windows logo - 2012 (dark blue).svg[https://github.com/nextcloud/desktop/releases v2.5](Apr 11, 2019)

| rowspan="5" |[https://docs.nextcloud.com/desktop/2.5/navigating.html 1]

style="background: #0082C9;color: white;" |OCOK

|File:OCOK-NextCloud.png

|File is Synced w/ server (Symbol: Solid Green check ✓)

style="background: #0082C9;color: white;" |OCOKShared

|File:OCShared-NextCloud.png

|Shared (Symbol: Green share icon)

style="background: #0082C9;color: white;" |OCSync

|File:OCSync-NextCloud.png

|Sync in progress (Symbol: Blue w/ rotating arrow)

style="background: #0082C9;color: white;" |OCWarning

|File:OCWarning-NextCloud.png

|Sync Error or Warning (Symbol: Yellow exclamation !)

rowspan="3" |Google Backup & Sync (formerly Google Drive)

|style="background: #FFD04B;color: #3D6EC9;" |GoogleDriveBlacklisted

|File:GD-UnableSync.png

|Not able to Sync (Symbol: Red X)

| rowspan="3" |File:Windows logo - 2012 (dark blue).svg[https://support.google.com/a/answer/7573023?hl=en v3.43.4275] (Oct 15, 2018)

| rowspan="3" |[https://www.dardanellepublicschools.org/apps/pages/index.jsp?uREC_ID=276518&type=d&pREC_ID=921084 1]

style="background: #FFD04B;color: #3D6EC9;" |GoogleDriveSynced

|File:GD-Synced.png

|Synced (Symbol: Green check ✓)

style="background: #FFD04B;color: #3D6EC9;" |GoogleDriveSyncing

|File:GD-Syncing.png

|Sync in progress (Symbol: Rotating blue arrows)

rowspan="2" |odrive

|0drive.Active

|

|Sync in progress (Symbol: Fuchsia w/ rotating white arrows)

| rowspan="2" |File:Windows logo - 2012 (dark blue).svg[https://docs.odrive.com/docs v6627] (Jul 01, 2020)

| rowspan="2" |

0drive.Synced

|

|Synced (Symbol: Light blue w/ white check ✓)

rowspan="9" |Source Code Management System clients

| rowspan="9" |File:TortoiseGit logo.svgTortoiseSVN, TortoiseGit and TortoiseHg

|style="background: #4383a6;color: white;" |Tortoise1Normal

|File:SVN-Normal.png

|Normal (Symbol: Solid Green check ✓)

| rowspan="9" |File:Windows logo - 2012 (dark blue).svg[https://tortoisesvn.net/Changelog.txt v1.12.0] (Apr 17, 2019)

| rowspan="9" |[https://www.garethjmsaunders.co.uk/2015/03/22/managing-overlay-icons-for-dropbox-and-tortoisesvn-and-tortoisegit/ 1],[https://stackoverflow.com/a/49535879 2]

style="background: #4383a6;color: white;" |Tortoise2Modified

|File:SVN-Modified.png

|Modified (Symbol: Red !)

style="background: #4383a6;color: white;" |Tortoise3Conflict

|File:SVN-Conflict.png

|Conflict (Symbol: Yellow triangle !)

style="background: #4383a6;color: white;" |Tortoise4Locked

|File:SVN-Locked.png

|Locked (Symbol: Yellow Lockpad)

style="background: #4383a6;color: white;" |Tortoise5ReadOnly

|File:SVN-ReadOnly.png

|Read only (Symbol: Grey check ✓)

style="background: #4383a6;color: white;" |Tortoise6Deleted

|File:SVN-RedX.png

|Deleted (Symbol: Red X)

style="background: #4383a6;color: white;" |Tortoise7Added

|File:SVN-Added.png

|Added (Symbol: Blue plus +)

style="background: #4383a6;color: white;" |Tortoise8Ignored

|File:SVN-Ignored.png

|Ignored (Symbol: Grey minus)

style="background: #4383a6;color: white;" |Tortoise9Unversioned

|File:SVN-Unversioned.png

|Unversioned (Symbol: Blue question mark ?)

rowspan="9" |NTFS link Manage

| rowspan="9" |[https://schinagl.priv.at/nt/hardlinkshellext/linkshellextension.html Link Shell Extension]

|style="background: #d00e03;color: white;" |HardLinkMenu

|

|Context Menu

| rowspan="9" |File:Windows logo - 2012 (dark blue).svg[https://schinagl.priv.at/nt/hardlinkshellext/linkshellextension.html#contact v3.9.3.1] (Nov 23, 2019)

| rowspan="9" |

style="background: #d00e03;color: white;" |IconOverlayHardLink

|File:Hardlink_Vista.svg / File:Hardlink Win10.svg

|Hardlink (Symbol: Red arrow)

style="background: #d00e03;color: white;" |IconOverlayJunction

|File:JunctionIcon Vista.svg / File:JunctionIcon Win10.svg

|Junction (Symbol: Metal link)

style="background: #d00e03;color: white;" |IconOverlaySymbolicLink

|File:SymbolicLink Vista.svg / File:SymbolicLink Win10.svg

|Symbolic Link (Symbol: Green arrow)

References