Daniel Glenn

Access Denied in Style Library

Daniel — Wed, 23 Sep 2026 21:30:07 +0000

Recently I was helping troubleshoot an issue in SharePoint Online where a site owner needed to delete files in the Style Library but was unable to upload, modify, or delete anything. So what could cause a site admin to get the error message Access Denied in Style Library? At first glance it looked like a permissions problem. The user had full control of the site, could work everywhere else without issue, and even had access to the Style Library itself. I even looked at Microsoft Purview to see if it was causing the issue. The real culprit turned out to be a setting that catches many SharePoint administrators off guard: custom scripting had been disabled for the site. Access Denied in Style Library – The Why In SharePoint Online, Microsoft’s modern approach favors supported customization methods such as SharePoint Framework solutions rather than direct customization through libraries like the Style Library. When custom scripting is disabled, SharePoint prevents changes to assets stored in locations commonly used for custom code. As a result, even users with significant permissions may find they cannot upload or delete files in the Style Library. A quick way to check the setting is with the SharePoint Online Management Shell: Connect-SPOService -Url https://EXAMPLE-admin.sharepoint.com Get-SPOSite -Identity https://EXAMPLE.sharepoint.com/sites/landings | Select Url, DenyAddAndCustomizePages Enable Custom Scripting If the DenyAddAndCustomizePages value is enabled, you’ll need to temporarily allow custom scripting before making changes in the library. Once connected to SharePoint Online, run the following command: Set-SPOSite -Identity https://EXAMPLE.sharepoint.com/sites/landings ` -DenyAddAndCustomizePages 0 After the change has propagated, you should be able to upload, edit, or remove files from the Style Library as needed. Keep in mind that it may take some time before the setting becomes active across the service. You can check to see if the setting has taken affect by again running the command: Get-SPOSite -Identity https://EXAMPLE.sharepoint.com/sites/landings | Select Url, DenyAddAndCustomizePages If you still have the Access Denied message up on the page, you can simply click the Retry link at the bottom of the message. Clean Up Once you have finished with the required file updates in the library, I recommend returning the site to its previous state. Allowing custom scripting longer than necessary increases the potential for unmanaged customizations and makes it harder to maintain a modern SharePoint environment. To disable custom scripting again, run: Set-SPOSite -Identity https://EXAMPLE.sharepoint.com/sites/landings ` -DenyAddAndCustomizePages 1 This approach lets you make the required change while keeping the site aligned with Microsoft’s recommended security and governance practices. If you encounter a Style Library that appears to have a permissions issue, checking the custom scripting setting should be one of the first troubleshooting steps you take. Learn more from the Microsoft Learn site Allow or prevent custom script.

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Inline Automation Right Where You Work: SharePoint Quick Steps Column

Daniel — Mon, 23 Feb 2026 15:03:23 +0000

Microsoft announced the new Quick Steps column type in SharePoint. It brings lightweight, no-code automation directly into the list view. This allows you to kick off automations without leaving the list view.

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SharePoint User Management – Get SharePoint Site Users

Daniel — Tue, 30 Dec 2025 17:04:17 +0000

While the Microsoft 365 admin center provides a user-friendly interface for many tasks, there are times when you need more automation, customization, or bulk operations. That's where PowerShell comes in handy. That's why I created a tool to help me Get SharePoint Site Users. It is designed to retrieve and export user information from a SharePoint Online site, making it a valuable tool for admins and IT pros.

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Resetting Item-Level Permissions in SharePoint Online

Daniel — Tue, 16 Dec 2025 14:35:15 +0000

A clean, focused PowerShell tool that resets every file and folder in a document library to inherit permissions from the library itself.
If you've ever managed a large SharePoint document library, you've probably run into the dreaded permission creep problem. Users share individual files or folders with "specific people," someone accidentally breaks inheritance on a folder, migrations bring over messy permissions, or years of organic sharing leave you with thousands of items that have unique role assignments.

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List All SharePoint Site Files with PowerShell

Daniel — Mon, 08 Dec 2025 14:26:54 +0000

Managing files across multiple SharePoint sites in Microsoft 365 can be challenging, especially when you need visibility into all files for compliance, auditing, or migration purposes. To simplify this process, I’ve created a PowerShell script that lists all files across your SharePoint sites. This post will explain what the script does, why it’s useful, and how you can deploy it.

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Website Live Chat Widget using Microsoft Teams

Daniel — Mon, 31 Mar 2025 21:11:50 +0000

In today's fast-paced digital world, every second a customer spends on your website is valuable. If they have a question, you want to get them an answer as quickly and seamlessly as possible. That's where the new live chat widget functionality comes in, changing the way businesses interact with their customers online. The live chat widget is a tool that allows businesses to support one-to-one chat with their customers directly from their website. The feature is integrated with Microsoft Teams, enabling representatives to respond to questions in real-time. Click to read more to see if it is available to you!

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Copilot Vision: Microsoft’s Pro Helper

Daniel — Mon, 24 Mar 2025 11:13:15 +0000

Currently available for Copilot Pro users, Copilot Vision offers a novel approach to AI assistance by interacting with the content displayed on a user's screen in real time. Copilot Vision is an opt-in feature designed to enhance how users engage with digital content. Unlike traditional AI tools that rely only on text-based inputs, this feature can "see" the content on your screen and provide contextual help. Read more to see if Copilot Vision is right for you.

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Simplifying Automation Documentation in Power Automate

Daniel — Fri, 14 Mar 2025 17:04:41 +0000

Microsoft Power Automate is making automation even easier with the new "Describe Flow Actions with Copilot" feature, which will be available from March 31, 2025. The "Describe Flow Actions with Copilot" feature offers many benefits by giving clear insights into automation processes. Read more to find out how it can help you!

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New Microsoft Viva Engage Community Settings

Daniel — Mon, 04 Nov 2024 00:10:31 +0000

Microsoft has recently introduced updates to the Viva Engage Community Settings, specifically enhancing the Community Resources and Files tab features. These updates aim to streamline community management and improve collaboration within organizations. Let’s dive into the details of these new settings and how they can benefit your community.

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Unlocking the Power of Data with Microsoft Lists, Dataverse, and Power BI

Daniel — Mon, 16 Sep 2024 14:00:35 +0000

Microsoft Lists and Microsoft Dataverse can be integrated with Power BI to create powerful data visualizations, helping you unlock the full potential of your data. Read this post to learn more and contact me if you have any questions!

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