Request app installation permissions

Apps are small, easy-to-use web applications that add functionality to SharePoint sites. They offer unlimited possibilities for customizing your sites in ways that are specific to your organization. For example, you can add apps that perform general tasks such as time and expense tracking, or apps that make it easy for customers to contact you, or productivity apps that enable you to establish data connections and develop reports for your stakeholders.

Some apps are included with SharePoint, others might be developed by your organization, and still others are created by third-party developers and available for purchase from the SharePoint Store.

Only those users who have the appropriate permission level can add apps to a site. Typically, Full Control permission (or membership in the Site Owners group) is the minimum requirement. But some apps require access to data sources or web services to read data required for the app. This kind of app has permissions associated with it. When the app requires organization-level permissions, the requestor will need approval from a Microsoft 365 admin to continue with the installation. The approval process includes a workflow, called the permission request flow, which ensures installation requests are directed to the right person.

This article is intended for global admins and SharePoint admins at the organization level who receive requests for app installation.

How the permission request flow works

When users encounter an app that requires admin permission to install, they'll see a Request Approval link on the app details page.

Screen shot of the application details page with the Request Approval link highlighted

Clicking the link displays an App Request dialog where they provide justification for the request.

Screen shot of the app request dialog

When they click Request, an automated email is sent to everyone who is a site collection admin for the app catalog.


Sometimes, depending on the Office Store settings, the App Request dialog will include a place for users to indicate the number of licenses required along with the justification. See Configure settings for the SharePoint Store for more information.

Approve or deny requests

  1. In the auto-generated email that you receive for the request, click You can now approve or reject the request here.

  2. On the Approve or Reject App Request screen, in the Comments box, provide relevant information about your decision.

  3. Either select:

  • Approve to approve the request and send an auto-generated email to the requester.

  • Reject to deny the request and send an auto-generated email to the requester.

    Screen shot showing the Approve or Reject App Request dialog

The app catalog is where you store and manage all apps for the organization. There you can see a list of all pending app installation requests.

View all requests

  1. Browse to your app catalog. (In the SharePoint admin center, select apps in the left pane and then click the App Catalog link.)

  2. Click Settings Settings icon> Site settings > Site Collection Administration > Manage App Requests.

  3. In the left nav, select App Requests.

    Screen shot showing the App Request link

  4. Click the title of each pending request to review it. Once the request is approved or denied, it is removed from the view. If you change your mind about allowing an app or apps to be added to you sites, you can revoke approval on the request. To revoke approval for a request, choose the request and click Remove Approvals.

Make the application available

Once the status has been changed to Approved, go to the SharePoint Store and acquire the app. This is done by clicking the link next to View App Details on the App Request entry.

At this point, site owners can check the Your Requests list to view the status of their request. After the application has been acquired and approved, it will show up in the Apps you've requested list.

Delegate approval authority

As a global admin or SharePoint admin in your organization, you can delegate app approval authority as a way of spreading the approval work around, or alleviating approval bottlenecks. Remember that apps are stored and managed in the app catalog, and the app catalog is a site collection. Therefore, to grant app approval permission to select users, you add them to the site collection administrator group on the app catalog.


When you promote users to site collection administrators on the app catalog site collection, you are giving them the ability to approve the installation of apps that have organization-wide impact. Consider this decision carefully.

Add site collection admins to the app catalog

  1. Browse to your app catalog. (In the SharePoint admin center, select apps in the left pane and then click the App Catalog link.)

  2. Select Settings Settings icon > Site settings > Users and Permissions > Site collection administrators.

  3. Type the name of the group or individuals who you want to add as site collection administrators.

  4. Select OK.