Customizing Business Central Online Using Extensions
You can change Business Central online by installing extensions that add functionality, changes behavior, or gives you access to new online services, for example.
[!NOTE] To install or uninstall extensions from AppSource or add per-tenant extensions, you must have the right permissions. You must either be a member of the D365 Extension Mgt. user group, or you must have the EXTEN. MGT. - ADMIN permission set explicitly. If you are an administrator, you can assign user groups and permissions to other users in your company. For more information, see Create Users According to Licenses.
To use the functionality that is provided by an extension, such as opening pages, running reports, selecting actions, and so on, you must be assigned the permission sets that are installed as part of the extension.
[!IMPORTANT]
The upload of per-tenant extensions and the installation of AppSource extensions is not supported through the Extension Management page for on-premise installations. You cannot install AppSource extensions on-premises, including in Docker-based deployments.
When you first launch Business Central, some extensions are already installed for you. Over time, more extensions will be made available to you, and you can then choose if you want to use the extension or not.
For example, Microsoft provides an extension that provides integration with PayPal Payments Standard. This extension is installed by default. But if another extension is made available that offers integration with another payment service, you can install the new extension and then choose which of the two services to use.
You manage the extensions on the Extension Management page. You can access this page from Home. Alternatively, choose the Search for Page or Report icon 
in the top right corner, enter Extension, and then choose the related link. For more information, see Installing and Uninstalling Extensions.
[!NOTE]
If you think you should have access to an extension but you cannot find its functionality, check the Extension Management page - if the extension is not listed there, you can install it as described in the following section.
[!NOTE]
Sign in to AppSource.microsoft.com using the email account that you use for Business Central online. Use the same email account for other services and products for a smooth experience.
You can also get to the marketplace from inside Business Central extensions that are currently available in AppSource. If you choose the More apps link, you are taken to AppSource.microsoft.com.
If you choose an extension, you can read about what the extension does, and you can access Help for the extension to learn more. When you choose to get an extension, you must agree to the terms of use. If you get the extension from the AppSource website, you will be signed in to Business Central to complete the installation.
When you install an extension, you might have to set it up, such as specifying an account for use with the PayPal Payments Standard for Business Central extension. Other extensions simply add fields to an existing page, or they add a new page, for example.
If you uninstall an extension, and you then change your mind, you can install it again. When you uninstall an extension that you have been using, the data is preserved so that if you install the extension again, your data is still available. There are some extensions that are required. You are prevented from uninstalling these from the Extension Management page. If you try, an error message appears.
Some extensions are provided by Microsoft, and other extensions are provided by other companies. All extensions are tested before they are made available to you, but we recommend that you access the links that are provided with each extension to learn more about the extension before you choose to install it.
[!NOTE]
You can keep an eye out for new extensions from Microsoft and other suppliers at AppSource.microsoft.com.
Extensions and data transfer
Because the following extensions communicate with other services, they might transfer data out of the geography of the Business Central environment:
- AMC Banking 365 Fundamentals Extension
- Image Analyzer
- Late Payment Prediction
- PayPal Payments Standard
- Sales and Inventory Forecast
- WorldPay Payments Standard
This also applies to some functionality in the base application, such as the following capabilities:
- Cash Flow Forecast
- Document Exchange Service
- Dataverse connections
- OCR Service
- Online Map
- EU VAT Reg. No. Service
Recommended Apps
Microsoft partners and resellers can create an extensions that they can use to compile lists of apps that they often recommend to their customers. If they do, and have deployed the extension to your tenant, the apps will be available on the Recommended Apps page. There you can read about each app and decide whether to install them.
[!NOTE] If you are a Microsoft partner or reseller, and you're interested in providing a list of recommended apps, see Recommend Apps from AppSource.
See Also
Install and Uninstall Extensions
Customize Business Central
Business Central Extensions by Other Providers
Set Up the Envestnet Yodlee Bank Feeds Service
Enable Customer Payment Through PayPal
Migrating Business Data from Other Finance Systems
Setting Up the GetAddress.io UK Postal Code extension
Business Central Extensions by Other Providers
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--- author: edupont04