Sideloading of apps is not enabled on this site – Office 365

When creating an App for SharePoint 2013, there is a hidden ‘developer feature’ that must be turned on – otherwise, you will get this error (Visual Studio)


To turn this on for “on-prem” SharePoint 2013 – you simply need to do this :

Enable-SPFeature e374875e-06b6-11e0-b0fa-57f5dfd72085 –url

(Thanks to Joe Rodgers for that tip)

But, of course, it’s trickier – as you can’t run a ‘local’ PowerShell command.

I found another blog post that explained how to activate a feature on SharePoint+Office365 – thanks Kanwartej Basrai.

Here’s the full script you need to run – to activate the “developer feature” for Office365 – and thus allow you to run custom coded App’s – phew !


Import-Module Microsoft.Online.SharePoint.Powershell

$developerFeature = “e374875e-06b6-11e0-b0fa-57f5dfd72085”

$siteUrl =
$userName = “”
$password = ConvertTo-SecureString -String ‘MyPass@word1’ -AsPlainText -Force

[Microsoft.SharePoint.Client.ClientContext]$clientContext = New-Object Microsoft.SharePoint.Client.ClientContext($siteurl)  

$clientContext.Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($userName, $password)
$site = $clientContext.Site;    

$featureguid = new-object System.Guid $developerFeature    
$site.Features.Add($featureguid, $true, [Microsoft.SharePoint.Client.FeatureDefinitionScope]::None);




** Before you run the above script, you might have to install the ‘plug-in’ for remote connectivity – see here for info :

And also – if you haven’t yet run any PowerShell commands from your local PC, make sure to “Run-As-Admin” when you open PowerShell – and execute THIS command :

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned​

Hope that helps – leave a comment if it did !



3 thoughts on “Sideloading of apps is not enabled on this site – Office 365

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