Abacus AI

Install the add-in

The easiest way to get the Abacus AI Assistant is to download it from the Microsoft Marketplace. You can also side load the XML manifest or deploy it via the Microsoft 365 admin center.

Option 1: Microsoft Marketplace

Download and install the add-in directly from the Microsoft Marketplace.

Option 2: Add-in XML manifests

  1. Download the manifest you need and save it to your device:
  2. Open Excel Office on the web or the desktop app you want to test. Create a blank document.
  3. In the new document, select Home → Add-ins → More Add-ins → My Add-ins → Manage My Add-ins → Upload My Add-ins and select and upload the downloaded XML file.
    4. Selecting Add-ins Managing My Add-ins and selecting Upload My Add-ins Selecting the XML manifest file to upload

Option 3: Deploy via Microsoft 365 Admin Center

For IT administrators deploying to an organization.

  1. Sign in to the Microsoft 365 admin center.
  2. From the left navigation bar, select ... Show all, then select Settings → Integrated apps.
  3. Select the Add-ins link near the top of the Integrated apps page.
  4. Select Deploy Add-in at the top of the page.
  5. Select Next on the Deploy a new add-in wizard.
  6. Select an option and follow the instructions:
    • From Microsoft Marketplace — search for and select the Abacus AI add-in. Updates and enhancements are automatically deployed to users.
    • Upload a manifest file — select Choose File and navigate to the downloaded manifest.xml. Note: only the XML add-in manifest is supported in the add-in portal; use the Integrated apps portal for manifest.json.
    • Provide a manifest URL — enter the URL to the manifest file and select Upload.
  7. Select who the add-in is deployed to: Everyone, Specific users/groups, or Just me. Use the Search box to find specific users or groups.
  8. Select Deploy. A green checkmark appears when the add-in is deployed successfully.
  9. Select Next when finished. To expand access later, select Change who has access to add-in.

Office Add-ins can take 24–72 hours to appear on the ribbon. Users may need to relaunch their Office application.

If the add-in does not load, verify that all manifest URLs are correct and accessible.