SharePoint provides one of the ability to authorized users to change the look and feel of the page / site, access and modify SharePoint objects based on the requirements. Now a days, SharePoint Online come with disabled custom scripting.
Due to this disabled feature, the users are not allowed to change the look and feel of the page by client side without using SharePoint Designer or other tools.
Custom Scripting feature is disabled by default to the following items,
- Personal Sites
- Self-Service created sites
- Root Site Collection of the Tenant
Default Script settings in SharePoint Online under SharePoint admin center,

The following site settings will not be available, if the Scripting is disabled.
| Site feature | Behaviour | Notes |
| Save Site as Template | No longer available in Site Settings. | You can still build sites from templates created before scripting was disabled. |
| Save document library as template | No longer available in Library Settings. | You can still build document libraries from templates created before scripting was disabled. |
| Solution Gallery | No longer available in Site Settings. | You can still use solutions created before scripting was disabled. |
| Theme Gallery | No longer available in Site Settings. | You can still use themes created before scripting was disabled. |
| Help Settings | No longer available in Site Settings. | You can still access help file collections available before scripting was disabled. |
| HTML Field Security | No longer available in Library Settings. | You can still use HTML field security that you set up before scripting was disabled. |
| Sandbox solutions Solution | Gallery will not appear in the Site Settings so you can’t add, manage, or upgrade sandbox solutions. | You can still run sandbox solutions that were deployed before scripting was disabled. |
| SharePoint Designer | Site Pages: No longer able to update web pages that are not HTML. Handling List: Create Form and Custom Action will no longer work. Subsites: New Subsite and Delete Site redirect to the Site Settings page in the browser. Data Sources: Properties button is no longer available. | You can still open data sources. |
| Uploading an ASPX file to a document library | No longer available in document libraries. | ASPX files that are in the library already are not impacted. |




Rupali ShindePosted Dec 28, 2015, 11:22 PM
thanks for sharing
Santhakumar MunuswamyPosted Nov 28, 2015, 2:40 AM
Nice share
Shantha Kumar TPosted Nov 26, 2015, 12:25 AM
Hi, No need to enable Custom Script feature to use SharePoint Designer. SharePoint allows to connect the sites using SharePoint Designer even Custom Script feature is disabled.
François JuniorPosted Nov 25, 2015, 7:08 PM
My friend, can you tell me if I need to enable custom scripts to use sharepoint designer?
Mukesh KumarPosted Nov 24, 2015, 4:47 AM
Good Job
Prasham SabadraPosted Nov 24, 2015, 3:21 AM
Thanks for Sharing!
Harshad PansuriyaPosted Nov 24, 2015, 2:27 AM
Nice one