Microsoft Outlook is one of the most popular mailing tools in use worldwide. Tens of millions of emails are sent, received, organized and archived using Outlook by professionals and others. As is with any computer tool, Microsoft Outlook is also prone to malfunction.
There are times when you may be trying to send an email using Microsoft Outlook but the email remains in the Outbox as your account automatically goes offline. You might notice an error message in such an instance, stating “Unknown error has occurred in Outlook. Outlook Error Code 17884.” This error prevents you from re-sending the email even after your close and restarts Outlook as the email remains stuck in your Outbox.
What Causes Outlook Error Code 17884?
Mainly, the cause of Outlook error code 17884 lies in a corrupted or damaged PST file. PST files are essential for creating, store and share emails in Outlook. In case these PST files are damaged in any way, the user is likely to see the Outlook error code 17884.
There are numerous causes that lead to PST files getting damaged or corrupted and thus renders it impossible to send emails from Outlook. Check out some of the top reasons that you may be seeing the dreaded Microsoft Outlook error code 17884:
Hardware problems – Hardware failure is known to lead to Outlook error code 17884 in computers. Hardware failure can be of three types – Data Storage Device Failure which occurs because of bad sectors in hard drive, Network Device Failure which can damage the PST file stored in network servers and Unexpected Power Failure which can also corrupt the PST file in case it has not been saved properly.
Software problems –Software issues, such as a File System Recovery Error may tempt you to use data recovery tools. However, this recovery process can damage your PST files too and lead to Outlook error 17884. A virus attack can also lead to corrupting PST files and thus show error code 17884. Apart from this, in case of Outlook was closes unexpectedly, the PST files for particular emails might not have been saved normally and become corrupted. This can also lead to Outlook error code 17884 being displayed on your screen.
Network problems –Intermittent internet or no connection can also lead to corrupt or damaged PST files getting saved on your PC, this can also lead to error code 17884 in Microsoft Outlook.
OS problems –At times, an incorrectly installed or corrupt operating system can also lead to damaged PST files and show Outlook error code 17884 to users.
How to Fix Outlook Error Code 17884?
Now that you know what causes and reasons are likely to be behind you seeing the error code 17884 when using Microsoft Outlook, here are 8 quick fixes for Outlook error code 17884:
Reinstall Microsoft Outlook
Uninstalling and then installing Microsoft Outlook once again on your PC may be able to resolve the problem. Many times, re-installing Microsoft Outlook has worked effectively to fix error code 17884 for Outlook users. Simply follow the step-by-step instructions for installing and once finished you can send a test email to check if the issue of error code 17884 is resolved.
Reconnect with Server
Another fix to error code 17884 in Outlook requires you to disconnect your server connections from the ‘Settings’ and then connect with the right network server as recommended in your Settings panel.
At times, an outdated Outlook version also tends to show error code 17884. To get rid of this, simply ensure that your version of Microsoft Outlook is updated with the latest release by the manufacturers. This helps to prevent damage or corruption to PST files and ensure smooth emailing using Outlook. To find if your Outlook is up to date, click on ‘Help’ and select ‘Check for updates’. This will notify you if your Outlook needs to be upgraded with the latest version and you can then use it to send and receive emails as usual again.
Sometimes your network problems can lead to Outlook showing error code 17884. In case this is the cause of the error then it is recommended to simply switch to a VPN (Virtual Private Network) instead of your work or home broadband connection and then try to send your email.
In some cases, your particular Microsoft Outlook profile may be facing issues that result in corrupt or damaged PST files and thus an inability to send emails. To correct this, you can simply create a new profile which will not have the same issues and allows you to send the same emails successfully now.
Cache files tend to collect over time and load your system. It is recommended to clean your cache frequently to ensure smooth emailing. To clean cache, simply click on ‘Folder’ panel and then select ‘Account’. Click on ‘Properties’ and select ‘Clean Cache’ to remove all unnecessary cached files from your system and bring it up to optimal processing speed.
An overcrowded hard drive slows down processing power noticeable and also results in corrupting or damaging PST files vital for sending and receiving emails using Microsoft Outlook. In case the above solutions did not help to fix error code 17884, you can run Disk Cleanup to clean all junk files from your Windows system. To run Clean Disk, simply – press Windows key and then CTRL + R to open Command Prompt à press and hold CTRL + SHIFT together and hit ENTER à select ‘YES’ à type in “clnmrgr” and press ENTER à once all junk files are displayed on your screen, select the ones you wish to remove and click on ‘OK’. This process helps to get rid of all unnecessary and unwanted files that clog and slow down your system.
In case none of the other fixes given above help to solve error code 17884 you can eventually try to uninstall and re-install Windows. However, keep in mind that re-installing Windows will remove all the apps that are currently installed on your PC so ensure to take a backup of your data before performing a Windows re-installing process.