This document explains how to fix Microsoft Outlook Your Mailbox Has Reached Its Maximum Size Limit At Which You Cannot Send Or Receive Any More Content.  Empty Your Deleted Items Folder From Outlook Or Delete Messages From Your Mailbox To Create More Space error if it is not working properly or throwing an error while installing, updating,  launching/opening, performing action like sending or receiving emails, configuring emails etc.

This solutions applies for following version of Microsoft Outlook:

  • Outlook 2016
  • Outlook 365
  • Outlook 2013
  • Outlook 2010
  • Outlook 2007
  • Microsoft Office (2013/365/2016)


Error Code Log
Avg. Time to Resolve Issue   40 mins
Difficulty Critical
Log Name: Microsoft Outlook <version> 1.40
Source: Mail size Conflict
Event ID: 5333
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: System Level
User: <Outlook username>
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 8.7.0747.66762, time stamp: 0×78282351
  • Faulting module name: Outlook  event.dll, version: 7.4.4724.45211
  • Exception code: 0xa08d470b
  • Fault offset: 0xd06e542e
  • Faulting process ID: 0×161
  • Faulting application start time: 0x07eedg2g10333558
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: c9b43a36-5381-75f8-8736-6769aec4e638

Cause of Outlook Error Code

  • Incompatible Internet proxy configuration
  • System Level Conflict

How to Resolve Outlook Error

Step 1: Start Outlook in Safe Mode
1. Hold Win Key + R and Type "Outlook /safe" (without quotes)
2. Press OK.

Step 2: Check if your network is behind Proxy
1. Hold Win Key + R. Run Dialogue Box will open up.
2. Enter CMD and Press OK.
Office Resolve Error Proxy Check 3. In command Prompt Copy following commands (Simply select the command and hold ctrl+c and press ctrl+v in command prompt)

 netsh winhttp import proxy source=ie 

Check Proxy Setting

Note: You will need Administrator Access to Run the above command. Simply Right Click on CMD button and select "Run as Administrator"

If you get the message "Direct Access (no proxy server)", continue to the next step otherwise disable proxy from Network Settings.

 You can contact our 24x7 Live support for any help during the whole process. 

In most cases Outlook error should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.

You can chat one-on-one with one of our Outlook Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 25/01/2016
Solution ID: 515557

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    May 2nd, 2016

    Posted In: Microsoft Outlook

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