Every SharePoint site collection always contains multiple mostly hidden libraries (with exception of the site assets library) which are used for storing system data. This data is used to set specific settings of a site collection (e.g. layout, or available webparts).
The libraries can be identified because one of the following properties is set to true
- Hidden
- IsApplicationList
- IsCatalog
- IsSiteAssetLibrary
- IsSystemList
With the following web api call (update the url below and paste it to your browser) you can easily find these libraries.
{YourSiteUrl}/_api/web/lists?$select=Title,Hidden,IsApplicationList,IsCatalog,IsSiteAssetLibrary,IsSystemList,RootFolder/ServerRelativeUrl&$expand=RootFolder&$filter=Hidden eq true or IsApplicationList eq true or IsCatalog eq true or isSiteAssetsLibrary eq true
The results for a modern SharePoint Site Collection (Communication site) look like this:
{
"@odata.context": "{YourSiteUrl}/sites/TestSite/_api/$metadata#lists",
"value": [
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'4d46b3d8-7235-4532-b162-c7c4880480c8')",
"@odata.etag": "\"8\"",
"@odata.editLink": "Web/Lists(guid'4d46b3d8-7235-4532-b162-c7c4880480c8')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "Access Requests",
"RootFolder@odata.navigationLink": "Web/Lists(guid'4d46b3d8-7235-4532-b162-c7c4880480c8')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'4d46b3d8-7235-4532-b162-c7c4880480c8')/RootFolder",
"@odata.editLink": "Web/Lists(guid'4d46b3d8-7235-4532-b162-c7c4880480c8')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/Access Requests"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'e3bfc5b9-3483-411b-a1dc-2db7b8a65ba2')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'e3bfc5b9-3483-411b-a1dc-2db7b8a65ba2')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "appdata",
"RootFolder@odata.navigationLink": "Web/Lists(guid'e3bfc5b9-3483-411b-a1dc-2db7b8a65ba2')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'e3bfc5b9-3483-411b-a1dc-2db7b8a65ba2')/RootFolder",
"@odata.editLink": "Web/Lists(guid'e3bfc5b9-3483-411b-a1dc-2db7b8a65ba2')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/appdata"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'4a3f162a-44f0-412e-8806-f9dd7f41ea2f')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'4a3f162a-44f0-412e-8806-f9dd7f41ea2f')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "appfiles",
"RootFolder@odata.navigationLink": "Web/Lists(guid'4a3f162a-44f0-412e-8806-f9dd7f41ea2f')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'4a3f162a-44f0-412e-8806-f9dd7f41ea2f')/RootFolder",
"@odata.editLink": "Web/Lists(guid'4a3f162a-44f0-412e-8806-f9dd7f41ea2f')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/appfiles"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'7b45b47d-45d7-41e6-bfa8-f09201dd7c88')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'7b45b47d-45d7-41e6-bfa8-f09201dd7c88')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "Composed Looks",
"RootFolder@odata.navigationLink": "Web/Lists(guid'7b45b47d-45d7-41e6-bfa8-f09201dd7c88')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'7b45b47d-45d7-41e6-bfa8-f09201dd7c88')/RootFolder",
"@odata.editLink": "Web/Lists(guid'7b45b47d-45d7-41e6-bfa8-f09201dd7c88')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/design"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'1c6b837a-498b-4d5e-87e1-3c34ffba9303')",
"@odata.etag": "\"1\"",
"@odata.editLink": "Web/Lists(guid'1c6b837a-498b-4d5e-87e1-3c34ffba9303')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Converted Forms",
"RootFolder@odata.navigationLink": "Web/Lists(guid'1c6b837a-498b-4d5e-87e1-3c34ffba9303')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'1c6b837a-498b-4d5e-87e1-3c34ffba9303')/RootFolder",
"@odata.editLink": "Web/Lists(guid'1c6b837a-498b-4d5e-87e1-3c34ffba9303')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/IWConvertedForms"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'42423f04-191c-4d5c-9c55-1ce982d7f6fa')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'42423f04-191c-4d5c-9c55-1ce982d7f6fa')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "List Template Gallery",
"RootFolder@odata.navigationLink": "Web/Lists(guid'42423f04-191c-4d5c-9c55-1ce982d7f6fa')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'42423f04-191c-4d5c-9c55-1ce982d7f6fa')/RootFolder",
"@odata.editLink": "Web/Lists(guid'42423f04-191c-4d5c-9c55-1ce982d7f6fa')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/lt"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'bac9762f-60f2-426d-bd77-bd5a810e0330')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'bac9762f-60f2-426d-bd77-bd5a810e0330')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Maintenance Log Library",
"RootFolder@odata.navigationLink": "Web/Lists(guid'bac9762f-60f2-426d-bd77-bd5a810e0330')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'bac9762f-60f2-426d-bd77-bd5a810e0330')/RootFolder",
"@odata.editLink": "Web/Lists(guid'bac9762f-60f2-426d-bd77-bd5a810e0330')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/MaintenanceLogs"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'fe7bf8c7-1322-477d-8213-b6839a1bdb00')",
"@odata.etag": "\"12\"",
"@odata.editLink": "Web/Lists(guid'fe7bf8c7-1322-477d-8213-b6839a1bdb00')",
"Hidden": true,
"IsApplicationList": true,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Master Page Gallery",
"RootFolder@odata.navigationLink": "Web/Lists(guid'fe7bf8c7-1322-477d-8213-b6839a1bdb00')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'fe7bf8c7-1322-477d-8213-b6839a1bdb00')/RootFolder",
"@odata.editLink": "Web/Lists(guid'fe7bf8c7-1322-477d-8213-b6839a1bdb00')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/masterpage"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'78fd96f8-1071-473b-a693-b77d50d390fe')",
"@odata.etag": "\"3\"",
"@odata.editLink": "Web/Lists(guid'78fd96f8-1071-473b-a693-b77d50d390fe')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "Sharing Links",
"RootFolder@odata.navigationLink": "Web/Lists(guid'78fd96f8-1071-473b-a693-b77d50d390fe')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'78fd96f8-1071-473b-a693-b77d50d390fe')/RootFolder",
"@odata.editLink": "Web/Lists(guid'78fd96f8-1071-473b-a693-b77d50d390fe')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/Sharing Links"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'352853cf-0cfa-4000-9d7c-2503c135c365')",
"@odata.etag": "\"32\"",
"@odata.editLink": "Web/Lists(guid'352853cf-0cfa-4000-9d7c-2503c135c365')",
"Hidden": false,
"IsApplicationList": true,
"IsCatalog": false,
"IsSystemList": true,
"Title": "Site Pages",
"RootFolder@odata.navigationLink": "Web/Lists(guid'352853cf-0cfa-4000-9d7c-2503c135c365')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'352853cf-0cfa-4000-9d7c-2503c135c365')/RootFolder",
"@odata.editLink": "Web/Lists(guid'352853cf-0cfa-4000-9d7c-2503c135c365')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/SitePages"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'd0927171-395d-49c7-9c51-9bb6f6d9cf45')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'd0927171-395d-49c7-9c51-9bb6f6d9cf45')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Solution Gallery",
"RootFolder@odata.navigationLink": "Web/Lists(guid'd0927171-395d-49c7-9c51-9bb6f6d9cf45')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'd0927171-395d-49c7-9c51-9bb6f6d9cf45')/RootFolder",
"@odata.editLink": "Web/Lists(guid'd0927171-395d-49c7-9c51-9bb6f6d9cf45')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/solutions"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'e80b7a18-9acd-4d53-a867-a8d401f36a73')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'e80b7a18-9acd-4d53-a867-a8d401f36a73')",
"Hidden": false,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Style Library",
"RootFolder@odata.navigationLink": "Web/Lists(guid'e80b7a18-9acd-4d53-a867-a8d401f36a73')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'e80b7a18-9acd-4d53-a867-a8d401f36a73')/RootFolder",
"@odata.editLink": "Web/Lists(guid'e80b7a18-9acd-4d53-a867-a8d401f36a73')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/Style Library"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'76d860bc-428e-4816-87b3-b9ad0fedc1fc')",
"@odata.etag": "\"111\"",
"@odata.editLink": "Web/Lists(guid'76d860bc-428e-4816-87b3-b9ad0fedc1fc')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "TaxonomyHiddenList",
"RootFolder@odata.navigationLink": "Web/Lists(guid'76d860bc-428e-4816-87b3-b9ad0fedc1fc')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'76d860bc-428e-4816-87b3-b9ad0fedc1fc')/RootFolder",
"@odata.editLink": "Web/Lists(guid'76d860bc-428e-4816-87b3-b9ad0fedc1fc')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/Lists/TaxonomyHiddenList"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'0bc9baa4-d93b-4562-b38f-31011d4a3438')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'0bc9baa4-d93b-4562-b38f-31011d4a3438')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Theme Gallery",
"RootFolder@odata.navigationLink": "Web/Lists(guid'0bc9baa4-d93b-4562-b38f-31011d4a3438')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'0bc9baa4-d93b-4562-b38f-31011d4a3438')/RootFolder",
"@odata.editLink": "Web/Lists(guid'0bc9baa4-d93b-4562-b38f-31011d4a3438')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/theme"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/SiteUserInfoList",
"@odata.etag": "\"46\"",
"@odata.editLink": "Web/SiteUserInfoList",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": false,
"IsSystemList": true,
"Title": "User Information List",
"RootFolder@odata.navigationLink": "Web/SiteUserInfoList/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/SiteUserInfoList/RootFolder",
"@odata.editLink": "Web/SiteUserInfoList/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/users"
}
},
{
"@odata.type": "#SP.List",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'8b37dc88-214a-4f03-9bf6-b79ab68011c3')",
"@odata.etag": "\"0\"",
"@odata.editLink": "Web/Lists(guid'8b37dc88-214a-4f03-9bf6-b79ab68011c3')",
"Hidden": true,
"IsApplicationList": false,
"IsCatalog": true,
"IsSystemList": true,
"Title": "Web Part Gallery",
"RootFolder@odata.navigationLink": "Web/Lists(guid'8b37dc88-214a-4f03-9bf6-b79ab68011c3')/RootFolder",
"RootFolder": {
"@odata.type": "#SP.Folder",
"@odata.id": "{YourSiteUrl}/sites/TestSite/_api/Web/Lists(guid'8b37dc88-214a-4f03-9bf6-b79ab68011c3')/RootFolder",
"@odata.editLink": "Web/Lists(guid'8b37dc88-214a-4f03-9bf6-b79ab68011c3')/RootFolder",
"ServerRelativeUrl": "/sites/TestSite/_catalogs/wp"
}
}
]
}