> ## Documentation Index
> Fetch the complete documentation index at: https://university.triggr-app.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Use an app from your IT provider

> Open an app link from your IT provider, sign in and use it.

Some IT providers give you a small web app, such as a page for messaging their service desk.

<Steps>
  <Step title="Open the link and sign in">
    Click **Sign in with Microsoft** or **Sign in with Google** and choose your work account. If the app asks for a password, enter the one your IT provider gave you and click Continue.

    <Frame>
      <img src="https://mintcdn.com/triggr/nyuVXZ1rouDTTEvu/images/guides/use-an-app/sign-in.png?fit=max&auto=format&n=nyuVXZ1rouDTTEvu&q=85&s=917ef89100ffa4028b2dbd8e493208b4" alt="An app sign-in card headed Service desk, with the line Sign in with Microsoft to access this app and a Sign in with Microsoft button." width="1920" height="640" data-path="images/guides/use-an-app/sign-in.png" />
    </Frame>
  </Step>

  <Step title="Use the app">
    The app opens under your IT provider's name. If it has several pages, switch between them in the bar at the top.

    <Frame>
      <img src="https://mintcdn.com/triggr/nyuVXZ1rouDTTEvu/images/guides/use-an-app/app.png?fit=max&auto=format&n=nyuVXZ1rouDTTEvu&q=85&s=522a12d474ffd68aa21ec34bd23622ac" alt="The Service desk app under a black bar showing the provider's name, with the heading Message the service desk, a message box and a Send button." width="1920" height="700" data-path="images/guides/use-an-app/app.png" />
    </Frame>
  </Step>
</Steps>

## Troubleshooting

<AccordionGroup>
  <Accordion title="“you do not have permission to access this app”">
    You signed in with an account your IT provider doesn't recognise, or the app is only open to certain people. Try your work account, then contact your IT provider.
  </Accordion>

  <Accordion title="“invalid password”">
    Check the password with your IT provider and try again.
  </Accordion>

  <Accordion title="“Couldn't load this app”">
    The link may be out of date. Ask your IT provider for the current one.
  </Accordion>
</AccordionGroup>

For other sign-in messages, see [Sign in](/guides/sign-in#troubleshooting).


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