If you get an error that contains 30033 when you try to install Microsoft 365. here are some things you can try to fix the problem. We’ve listed the most common solutions first, so try them in order.
Tip:Â Sometimes restarting your computer is enough to fix the problem.
1 - Use the offline installer to install Office
The Microsoft 365 offline installer may help bypass potential proxy, firewall, antivirus, or Internet connection issues that might occur during an Microsoft 365 installation.
For steps to install an offline version of Microsoft 365, see Use the Office offline installer and select the correct tab for your version of Office.
2 - Repair Office from the Control Panel
The steps to access the repair tool vary depending on your operating system. Choose your operating system from the options below.
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Right-click the Start button
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Select the Microsoft Office product you want to repair and select Modify. If you don't see any options, select the three dots on the right side.
Note:Â This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you have a standalone app installed, then search for that application by name.
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Depending on if your copy of Office is Click-to-run or MSI-based install, you'll see the following options to proceed with the repair. Follow the steps for your installation type.
Click-to-run
In the window How would you like to repair your Office Programs, select Online Repair > Repair to make sure everything gets fixed. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)
MSI-based
In Change your installation, select Repair and then click Continue.
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Follow the instructions on the screen to complete the repair.
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Right-click the Start button
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From Category view, under Programs, select Uninstall a program.
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Right-click the Microsoft Office product you want to repair, and from the drop-down, select Change.
Note:Â If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel. If you have a standalone application such as Word or Excel, search for the application name.
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Depending if your copy of Office is Click-to-run or an MSI-based install, do the following for your Office installation type:
Click-to-Run installation type:
In How would you like to repair your Office Programs, select Online Repair to make sure everything gets fixed, and then select Repair. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)
MSI-based installation type:
In Change your installation, select Repair and then click Continue.
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Follow the remaining instructions on the screen to complete the repair.
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Click the Start button
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From Category view, under Programs, select Uninstall a program.
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Click the Office product you want to repair, and then click Change.
Note:Â If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel. If you have a standalone application such as Word or Excel, search for the application name.
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Depending if your copy of Office is Click-to-run or an MSI-based install, do the following for your Office installation type:
Click-to-Run installation type:
In How would you like to repair your Office Programs, select Online Repair to make sure everything gets fixed, and then select Repair. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)
MSI-based installation type:
In Change your installation, select Repair and then click Continue.
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Follow the remaining instructions on the screen to complete the repair.
3 - Uninstall and reinstall Office
Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC.
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Select the button below to start the uninstall troubleshooter.
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Click Open if you get a pop-up window indicating This site is trying to open Get Help.
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Follow the prompts on the remaining screens and when prompted, restart your computer.
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Select the steps for the version of Office you want to install or reinstall.
Microsoft 365 | Office 2024 | Office 2021 |Â Office 2019 | Office 2016
Important:Â
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The uninstall troubleshooter currently can't uninstall Office 2024.
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Run the troubleshooter on the same Windows PC with the Microsoft 365 or Office product you want to uninstall.
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You need to be on Windows 10Â or higher to run the troubleshooter.
Tip: If the Microsoft 365 uninstall troubleshooter doesn't completely uninstall Microsoft 365 or Office from your PC, you can try to manually uninstall Office.
4 - Temporarily turn off antivirus software
For 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 and if you turned it off, be sure to turn it on again.
If you're not sure which antivirus software you have, use the following instructions to get to Control Panel to find the name of your antivirus software.
Tip:Â Windows 10 comes with default antivirus software, Windows Defender. If you determine that you're using it, select the Start button > Settings > Update & Security, and then select Windows Defender on the left. Slide the button to Off. Remember to turn it On again.
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On the Start
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Do one of the following:
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In Category view, select System and Security > Security and Maintenance, and then select the down arrow next to Security.
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In Large icons or Small icons view, select Security and Maintenance, and then select the down arrow next to Security.
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If Windows can detect your antivirus software, it's listed under Virus protection.
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Go to the Control Panel by right-clicking the Start button
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Do one of the following:
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In Category view, select System and Security > Action Center, and then select the down arrow next to Security.
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In Large icons or Small icons view, select Action Center, and then select the down arrow next to Security.
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If Windows can detect your antivirus software, it's listed under Virus protection.
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Go to Control Panel by choosing the Start button
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Do one of the following:
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In Category view, select System and Security > Action Center, and then select the down arrow next to Security.
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In Large icons or Small icons view, select Action Center, and then select the down arrow next to Security.
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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 11 and Windows 10
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Please go to Turn Windows Firewall on or off.
Windows 8.1 and 7
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Please scroll to Turn Windows Firewall on or off in Protect my PC from viruses.
