Modern UI disable Donnerstag, 4. Juli 2019 12:23   **To change disable / re-enable the modern user experience at the site collection level** ### Site Collection Level Add-PSSnapin microsoft.sharepoint.powershell -ea 0 \$site = Get-SPSite \#Disable modern Lists and libraies at the Site Collection Level \$featureguid = new-object System.Guid \"E3540C7D-6BEA-403C-A224-1A12EAFEE4C4\" \$site.Features.Add(\$featureguid, \$true) ### Re-enable the moden expirence at the site collection Level. \$featureguid = new-object System.Guid \"E3540C7D-6BEA-403C-A224-1A12EAFEE4C4\" \$site.Features.Remove(\$featureguid, \$true) **To change disable / re-enable the modern user experience at the web level** ### Web Level Add-PSSnapin microsoft.sharepoint.powershell -ea 0 \$site = Get-SPWeb ### Disable modern Lists and libraies at the Web Level. \$featureguid = new-object System.Guid \"52E14B6F-B1BB-4969-B89B-C4FAA56745EF\" \$site.Features.Add(\$featureguid, \$true) ### Re-enable the moden expirence at the Web Level \$featureguid = new-object System.Guid \"52E14B6F-B1BB-4969-B89B-C4FAA56745EF\" \$site.Features.Remove(\$featureguid, \$true) **To change disable / re-enable the modern user experience at the library level** Add-PSSnapin microsoft.sharepoint.powershell -ea 0 \$web = Get-SPWeb \$list = \$web.Lists\[\"Documents\"\] ### Classic setting \$list.ListExperienceOptions = \"ClassicExperience\" \$list.Update() ### Modern setting \$list.ListExperienceOptions = \"NewExperience\" \$list.Update() ### User Default \$list.ListExperienceOptions = \"Auto\" \$list.Update()   Aus \<\>