Before We Start
- The solution below will enable scripting capabilities on all Classic SharePoint sites, and it will It takes about 24 hours for this change to take effect.
- ShortPoint SPFx does not require to enable scripting capabilities if you want to use ShortPoint on modern pages only.
If you want to:
Enable scripting capabilities on a specific site only
Do not want to wait for 24 hours
Enable scripting capabilities on a group and modern sites
Then you have to follow steps in this article instead: Enable Scripting Capabilities with PowerShell.
Login to your Office 365 admin center page with an administrator account, then choose Admin:
Go to SharePoint Admin Center:
Allow users to run custom script on personal sites and self-service created sites:
It takes about 24 hours for the change to take effect.
Detailed Steps from Microsoft: Turn scripting capabilities on or off