80073701 Office 365

80073701 Error Code Office 365 Overview
Difficulty LevelMedium
Resolution:System Fix
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 80073701 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 80073701 Office 365 img 8
2) Windows 8 Firewall Window will Open.
Office Error Code 80073701 Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 80073701 Office 365 img 9
Note: You will need Administrator rights to disable firewall.
Office Error Code 80073701 Office 365 img10
4) Finally Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.
Office Error Code 80073701 Office 365 img11

Step 2: Check Proxy Setting Issue

1) Open Control Panel.
Windows 7 : Click On Start and then Click On Control Panel from Right window.
Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) Open “Internet Options” In Control Panel .
3) Click On Connections Tab and then Choose LAN Setting.
Office Error Code 80073701 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its already ON.

Step 3: Temporarily Disable Antivirus

– Open Your Antivrus software
– Disable it till the Office 365 installation is going on. Check manufacturer website for more details.

Step 4: Try the installation again

In most case 80073701 error code in Office 365 should be resolved by now, if however the problem still persists please get your system checked by an expert.

If you are not able to resolve the issue following above steps, you can contact our 24×7 Chat Support for help.

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  • Posted In: Office 365