Software⏱️ 4 min read📅 2026-06-11

How to Fix: Getting an Oulook PST file error

Outlook PST file error fix and alternatives to large files.

Quick Answer: Consider using a third-party PST repair tool or splitting the large PST file into smaller ones.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. ✅ Best Solutions to Fix It
  3. 🎯 Final Words

Having issues with Microsoft Outlook caused by a large PST file can be frustrating and affect productivity. A PST file of 1.9 GB is unusually large, and attempting to open it may result in an error message.

In this troubleshooting guide, we will explore the possible reasons behind this issue and provide solutions to help you resolve the problem.

🔍 Why This Happens

  • The primary reason for this error is that Microsoft Outlook has a maximum file size limit for PST files, which is 2 GB. This limit is in place to prevent the software from becoming unstable or slowing down due to large file sizes.
  • Another possible reason could be corruption or damage within the PST file itself, which may cause issues with opening it.

✅ Best Solutions to Fix It

Splitting and Rebuilding the PST File

  1. Step 1: Step 1: Open Microsoft Outlook and go to the 'File' tab in the top navigation menu.
  2. Step 2: Step 2: Click on 'Account Settings' and select 'Manage Profiles' from the drop-down menu.
  3. Step 3: Step 3: Select the profile that corresponds to your PST file and click on 'Properties'.
  4. Step 4: Step 4: In the Properties window, navigate to the 'Storage' tab and click on 'Split Storage' under 'File Management'.
  5. Step 5: Step 5: Follow the prompts to split the PST file into smaller segments of up to 2 GB each.
  6. Step 6: Step 6: Once the splitting process is complete, rebuild the PST file by clicking on 'Rebuild Folder' in the Properties window.
  7. Step 7: Step 7: Wait for the rebuilding process to finish and then restart Outlook.
  8. Step 8: Step 8: After restarting, verify that the PST file can be opened without any errors.

Using a Third-Party PST Repair Tool

  1. Step 1: Step 1: Download and install a reputable third-party PST repair tool, such as PST Repair or Outlook PST Repair.
  2. Step 2: Step 2: Launch the repair tool and select the damaged PST file as the input source.
  3. Step 3: Step 3: Follow the prompts to scan the PST file for errors and corruption.
  4. Step 4: Step 4: Once the scanning process is complete, the tool will provide options to fix or recover the corrupted data.
  5. Step 5: Step 5: Select the desired recovery option and follow the instructions to save the repaired PST file.
  6. Step 6: Step 6: Verify that the repaired PST file can be opened without any errors in Outlook.

🎯 Final Words

By following one of these methods, you should be able to resolve the issue with your large PST file. If you are still experiencing problems after trying these solutions, it may be best to consult a Microsoft support specialist or seek further assistance from a qualified IT professional.

Did this fix your problem?

If not, try searching for specific error codes.

🔍 Search Error Database

❓ Frequently Asked Questions

🛠️ Related Fixes

How to Fix: Pc crashes shortly after launching game (rainbow

Fix Pc crashes shortly after launching game (rainbow six siege). Compl

How to Fix: Installing an APK on a locked down phone

Installing an APK on a locked down phone: Try using a rooted device, e

How to Fix: New PC build- no signal and no clue

Fix New PC build- no signal and no clue. Complete troubleshooting guid