How to Treat Most Common Outlook Errors?

bnr-logoOutlook plays a major role for every user who is using emails as a channel for communication. For most users Outlook works as personal information manager (PIM) and responsible for all management of contacts, journals, emails etc. Storage location of user mailbox data is PST(Personal Storage Table). We cannot afford the loss of data due to corruption of PST file as it holds all necessary information of user account. Unfortunately, Outlook errors are common occurrence and its files can get corrupt due to hardware and software reasons.

Hardware reasons:

  • Operating System Incompatibility
  • Hardware Incompatibility

Software reasons:

  • Antivirus install
  • Software updating

Outlook encounters a lot of problems due to corrupted PST files. These corrupted PST files make working with Outlook very hard. Here I am sharing few most common Outlook errors and effective solutions to dealing with them.

Most Common Outlook Errors

Outlook Send and Receive Error

This is most common outlook error faced by Outlook users while sending and receiving emails:

  • “The server could not be found”
  • “Sending and Receiving’ reported error (0x80042109)”
  • “No connection could be made because the target machine actively refused it”

Above mentioned errors are due to Internet connectivity issues or it may be possible that user’s account settings are not correct. Possible solution to deal with this error is rechecking of Internet connectivity settings or reconfiguration of your outlook account under expert supervision.

Error: An unknown error has occurred- 0x800CCC0F”

Above mentioned is most common error for all outlook users: The reason behind this error occurs when user is trying to send email with SMTP connection. Other possible reason for this error is corruption in PST file. User can resolve this issue by using free utility provided by Microsoft: Inbox repair tool.

Advantage of utility:

Free of cost

Disadvantage of utility

Does not repair heavily corrupted Outlook file

Fatal error: 80040900”

Every user sends and receives a lot of messages or it is also possible that some messages contain attachments. This increases the size of PST file. Increased PST files make Outlook working slow. Outlook versions have a predefined size limit of varying from 2GB to 50 GB depending on Outlook version. Going beyond the size limits can result in PST file corruption and inaccessibility to data stored in PST file.

Most possible solution to deal with this problem is:

  • Cut down the size of PST file
  • Delete unwanted emails from mailbox
  • Clean your Deleted Mail folder

Error code: – 0x8004210e”

When user tries to send an email user can receive an error with message

   “An error has occurred while sending and receiving mails- 0x8004210e”

User will receive this error due to problem with mail server. It may be possible that the user mail server contains some unwanted emails and that they are using user’s mail server address. User’s mail server identifies these unwanted emails as spam.


  • Use single device to access your mail server account or outlook account.
  • Check your mailboxes continuously or delete unwanted emails from mailbox.
  • It may be possible your PST file got corrupt

To deal with PST corruption cases users are advised to go for third party software. There are several third party software solutions available on the market that let user repair their corrupt and damaged PST file. Stellar Outlook PST Repair software is the best software user can use. I am recommending this PST repair software as the results are amazing. For more info about this software you can visit

3 Comment(s)

  1. You can get few useful information from here This application is recover corrupt outlook mailbox emails or electronic mails. It is much capable of recovering all personal storage tables items such as journals, notes, tasks, contacts, calendar items, attachments, distribution lists of an Outlook user mailbox. Read more:

    wayneparnell | Sep 9, 2014 | Reply

  2. Losing data from PST files is not a big issue and there is an effective way to restore or recover lost data in few minutes. You can take help of Kernel for Outlook PST Repair tool. I used this software and within short time interval, I was able to retrieve data effectively. I would like to recommended same. Get info, visit here:

    Read more:

    bobmarish | Oct 13, 2014 | Reply

  3. I would like to suggest you to use of third party to quickly resolve your all issues from corrupt PST files with full accuracy.

    tomlatham | Oct 29, 2014 | Reply

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