Steps to Repair PST File of POP3 Account in Outlook 2016 or 2019

Running a “POP3 account” in Microsoft Outlook? This piece’s for you? Herein, we’ll be showing you how to repair corrupt or damaged PST file of POP3 account in Outlook 2016 or 2019.

All PST files, in POP3 or IMAP-configured Outlook accounts, are prone to corruption. In most cases, repair is easily implemented with the built-in repair tool. However, at times, these corruptions could be too severe for the built-in repair tool; this is often the case with PST files associated with POP3 accounts in Outlook. To repair such corruptions, an advanced solution may be required, and none is better than Stellar Repair for Outlook.

Hence, this tutorial will show you steps to repair PST file of POP3 account. Read on!

What is POP3 Account & how to set it up in Outlook?

POP3 is an acronym for “Post Office Protocol version-3”, which is one of the two main “incoming mail protocols” in Outlook. It serves as the alternative option to “Internet Message Access Protocol (IMAP)”.

Unlike SMTP (Standard Mail Transfer Protocol), which is the standard protocol for transferring/sending emails, POP and IMAP are basically used for retrieving (receiving) emails from servers (to local clients). Typically, all Outlook accounts run on either POP or IMAP; and while both basically do the same thing, they have slight differences.

The most noteworthy difference between IMAP and POP3 is in their storage patterns. POP3 typically receives messages and stores them in the client’s local storage (hard disk), while IMAP keeps messages in-app. With this, IMAP somewhat offers more flexibility, as you’re able to access your accounts from any location/device. On the other hand, POP3 offers better storage management, as your emails are saved directly on your hard disk – making them accessible offline.

For users’ convenience, below is a step-by-step guide to set up a POP3 account in Outlook 2016:

  • Open Outlook 2016 and click on File > Info.
  • Select Add account and input your email address as prompted.
  • Click Advanced options.
  • Check the Let me set up my account manually box and select Connect.
  • Set account type to POP.
  • In the pop-up window – POP Account Settings – configure as follow:
  • Incoming mail: input “” in the “Server” box and “995” in the “Port”. Also, check the “This server requires an encrypted conncetion (SSL/TLS)” box.
  • Outgoing mail: Input “” in the server box and “587” in the Port box. Also, select the STARTTLS option in the”Encryption method drop-down.
  • Proceed by clicking on the Connect icon.
  • Input your email address as prompted.
  • Click OK to finish up.
  • You’re all set!

Repairing corruptions in Outlook accounts (configured on POP3) requires deep penetrative scans. And such scans are generally beyond the scope of the Inbox Repair Tool (scanPST.exe). Hence, to fix such corruptions, a versatile repair tool is required; this is where Stellar Repair for Outlook comes in.

Causes of corruption in Outlook 2016 or 2019

Various factors could be responsible for Outlook PST corruption; however, POP3 accounts’ link to local storage (hard disk) makes them more vulnerable to corruptions from system glitches/errors.

Typically, the following factors could cause corruption in Outlook 2016/2019:

  • Oversized PST
  • System corruption/error
  • Virus infection
  • Device glitch
  • And more

To fix PST corruptions, irrespective of the cause, it’s recommended to first run the in-app repair tool, before adopting any third-party solution.

Various factors could be responsible for Outlook PST corruption; however, POP3 accounts’ link to local storage (hard disk) makes them more vulnerable to corruptions from system glitches/errors.

How to repair corrupt PST file in Outlook 2016 or 2019 using ScanPST

To repair PST file of POP3 account in Outlook 2016/2019, follow the steps below:

  • Locate the ScanPST.exe in the Microsoft Office folder (under program files “C:”).
  • Double-click on the tool to open it.
  • Now, locate the PST file you intend to repair.
  • Click on Start to initiate repair and wait for it.
  • Open Outlook and sign into your POP3 account.
  • Follow the prompt commands to recover the repaired file.

Most times, however, this tool fails to repair corrupt files, particularly files associated with oversized PST or those caused by system errors (typical of a POP3 Outlook account). To fix such corruptions, the ultimate solution would be to employ a third-party repair program, with better penetrative scans & Stellar Repair for Outlook helps effectively.

How to repair PST file of POP3 account in Outlook 2016 or 2019 using Stellar Repair for Outlook

Stellar Repair for Outlook is widely seen as the ultimate repair tool for Outlook.And it’s especially ideal for fixing PST files in POP3 accounts, whose messages are saved locally.

To run this tool in Outlook 2016 or 2019 (POP3 accounts), follow the steps below:

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  • Launch the tool and navigate to the Select PST File for Repair tab. Click on Find to locate and select the target PST file (it can be on the “C:\” drive).
  • Once selected, click on the Repair icon.
  • The software scans the file and shows preview of all mailbox items including the permanently deleted mail items.
  • After the repair, go to Home > Save Repaired File. Select a format option; PST, EML, PDF, MSG, HTML or RTF.
  • Proceed by clicking on Browse.
  • Select a new location in your local disk and save the repaired file.
  • Launch Outlook and log in with the POP3 account  (associated with the repaired PST file).
  • And you’re all set!

Read on to know what Most Valuable Professionals (MVPs) have said about Stellar Repair for Outlook software. Click here

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