SharePoint Archives - 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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Find SharePoint URL with Site ID

Daniel — Tue, 16 Apr 2024 14:01:30 +0000

Many moons ago, I was asked by Microsoft to provide the site ID for a SharePoint site from my tenant. I had noted the site ID, but I did not make note of the URL of the site. So that left me with the question 'How do I find the SharePoint URL when I have the Site ID?' Read more to learn two ways to find it!

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Goodbye Viva Topics

Daniel — Thu, 28 Mar 2024 18:58:53 +0000

Microsoft announced that Viva Topics will be retired and disabled in February 2025. So, what is the plan for knowledge management after this announcement of the retirement of Viva Topics? Read more for my thoughts on benefits and gaps of the move.

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System Column Names in SharePoint & Microsoft Lists

Daniel — Wed, 27 Mar 2024 17:33:08 +0000

Have you ever created a column in a SharePoint list or library and noticed that the system name is different from the name you gave it? This is because column names in SharePoint have a system name that does not include spaces. Read more on best practices to use system names appropriately and how to find them!

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Creating a Budget for Microsoft Syntex & SharePoint Premium

Daniel — Thu, 09 Nov 2023 15:00:48 +0000

Microsoft Syntex is a powerful tool that can help you automate your content-based processes. You will need to create a budget for Syntex because of it's pay-as-you-go licensing. This post (with short video) shows you how!

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The POWER of Microsoft Lists and Power BI – Guy in a Cube

Daniel — Thu, 09 Mar 2023 13:24:44 +0000

My second visit with Adam at Guy in a Cube highlights the benefits of using data from a Microsoft List in Power BI. Many organizations have data in their SharePoint and Microsoft Lists. I show how you can visualize that data using Power BI - in more than one way!

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