Error code 30033-27 when installing Office

You might see this error if a previous installation of Office failed or if antivirus software or a firewall prevents Office from installing. Sometimes restarting your computer is enough to fix the problem. If it isn’t, here are some things you can try to fix the problem. We’ve listed the most common solutions first, so try them in order.

1 - Use the offline installer to install Office

The Office offline installer may help bypass potential proxy, firewall, anti-virus, or internet connection issues that might occur while installing Office. Use the table below to see the correct steps for the version of Office you're trying to install.

If you have this Office product

Follow the steps here

  • Office 365 Home, Personal, or University

How do I use the Office 2016 offline installer?

A one-time purchase of Office 2013 or Office 2016 such as:

  • Office Home & Student

  • Office Home & Business

  • Office Professional

  • Individual applications such as Word, Excel, or Project

Download the install files for a one-time purchase of Office 2013 or Office 2016

  • Office 365 for business subscriptions that include the Office desktop applications

Office 365 admins must Contact Office 365 for business support.

2 - Repair Office

  1. Go to Control Panel.

    In Windows 10
    • Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choose Control Panel.

      Options and commands list see after pressing Windows logo key + X

    In Windows 8 and 8.1
    • Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choose Control Panel.

      Options and commands list see after pressing Windows logo key + X

    In Windows 7 or Vista
    • Click Start > Control Panel.

  2. Under Programs, click Uninstall a program.

  3. Click the Office product you want to repair, and then click Change.

    Note   If you bought a suite like Microsoft Office 365 Home or Microsoft Office Home and Student 2013, search for the suite name. If you bought an individual Office application like Microsoft Word, search for the application name.

  4. In Office 2013 and Office 2016, click Online Repair > Repair.

3 - Remove and reinstall Office

If you have problems running the easy fix tool, please try using Internet Explorer as your browser.

  1. Click this easy fix tool button to completely clean up your Office installation.

    Easy fix download button indicating an automated fix is available
  2. When prompted by your browser, choose Open.

    Note   If the file doesn’t open, choose Save > Open Folder, then double-click the file (it should start with "O15CTRRemove") to run the easy fix tool.

  3. The Uninstall Microsoft Office wizard launches. Select Apply this fix, and follow through the rest of the screens.

  4. At the easy fix tool has completed, you'll get an Uninstallation successful screen, and then be prompted to restart your computer for the changes to take effect. Select Next.

  5. After restarting, install Office again. Use the table below to find the correct sign in location for your version of Office.

    If you have this Office product

    Sign in to install Office

    An Office 365 subscription, such as:

    • Office 365 Home

    • Office 365 Personal

    • Office 365 University

    A one-time purchase of Office 2016 or Office 2013 such as:

    • Office Home & Student

    • Office Home & Business

    • Office Professional

    • Individual 2016 or 2013 applications such as Word, Excel, or Project

    1. Go to http://www.office.com/myaccount.

      If prompted, sign in with the email address and password associated with your copy of Office.

    2. Select Install.

    Tip   For complete installation steps, see Download and install or reinstall Office 365, Office 2016, or Office 2013 on your PC.

    Office 365 for business subscriptions that include the desktop Office applications

    1. Go to https://portal.office.com/OLS/MySoftware.aspx.

      If prompted, sign in with the email address and password that you created or someone in your organization created on your behalf.

    2. Select Install.

    Tip   For complete installation steps, see Download and install Office using Office 365 for business on your PC.

    Note   If you're having trouble signing in, check that you're using the correct email and password. If you still can't sign in you may be using a different Office 365 service and have a different sign in location, see Where to sign in to Office 365.

4 - Temporarily turn off antivirus software

If you need information about how to turn off your antivirus software, check your antivirus manufacturer's website. Uninstalling your antivirus software may also help. Don't forget to reinstall it after Office is finished installing!

If you're not sure which antivirus software you have, please go to Control Panel to find the name of the antivirus software installed on your device.

Windows 10
  1. Go to Control Panel by right-clicking the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choosing Control Panel.

    Options and commands list see after pressing Windows logo key + X

  2. Click System and Security > Security and Maintenance > the arrow next to Security.

    If Windows can detect your antivirus software, it's listed under Virus protection.

Windows 8.1
  1. Go to Control Panel by right-clicking the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choosing Control Panel.

    Options and commands list see after pressing Windows logo key + X

  2. Click System and Security > Action Center > the arrow next to Security.

    If Windows can detect your antivirus software, it's listed under Virus protection.

Windows 7
  1. Go to Control Panel by choosing the Start button Windows 7 Start button (lower-left corner), and choosing Control Panel.

  2. Click System and Security > Review your computer's status > the arrow next to Security.

    If Windows can detect your antivirus software, it's listed under Virus protection.

5 - Temporarily turn off the firewall

If you're using a firewall from another manufacturer, visit the manufacturer's website for information about how to temporarily disable the firewall. For Windows Firewall, please see below.

Windows 10 Windows 8.1 Windows 7 Windows Vista

Applies To: Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Office 2016, Office 365, , Office 2013



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