Fix Outlook Send/Receive Error: Troubleshoot Outlook Not Sending or Receiving

  • Written By  

  • Updated on September 17th, 2026

Introduction: A PST file does not get corrupted suddenly on its own. It is generally years of accumulated emails with attachments. Even a system malfunction, a mailbox with excessive data, or a profile that has gone corrupt on its own can lead to PST file corruption. While manual fixes can fix Outlook Send/Receive errors at a minor level, they cannot fix severely corrupt PST files. This is where Aryson PST Repair Tool comes in, which will be able to directly access the damaged PST file, repair it, and recover all the data in its original structure.

Download Now   Purchase Now

What is a Send/Receive Error?

The Send/Receive error occurs generally due to connectivity, configuration, or PST file corruption problems. These problems make Outlook unable to connect to the mail server. Authentication and Account sync issues are a frequent root cause of this error, distinct from PST file corruption.

Why Does Outlook Show a Send/Receive Error?

These are some common issues that need to be addressed to fix Outlook Send/Receive errors. They generally occur due to the following reasons:

  • A weak or dropped internet connection breaks Outlook’s link to the mail server.
  • An inaccurate IMAP, POP3, or SMTP configuration.
  • Having outdated or non-working Outlook add-ins.
  • A corrupted Outlook user profile.
  • A damaged mapi32.dll file, mainly on older Outlook or Windows versions.
  • Microsoft 365 connectivity issues from outages or misconfigured accounts.
  • Incomplete or incompatible Windows or Office updates.
  • A corrupted PST or OST file, the most persistent cause.
  • PST size exceeding its limit, roughly 2 GB for ANSI files and up to 50GB on modern Unicode versions.

Reliable Fixes to Fix Outlook Send/Receive Error

These are some reliable fixes for each error to solve and restore your connectivity, fix misconfigurations, and repair PST file corruption to a minor level of severity. You can use these methods according to your most likely issues mentioned in each method’s resolution. In this section, we will discuss 8 methods to resolve the different causes.

Method 1: Check Your Internet Connection
Resolves: weak or dropped connection

  1. Launch any browser and surf any website to make sure that the internet connection is working properly.
  2. If browsers do not open properly, restart the router or try out another connection.
  3. Now, restart Outlook and ensure that the error is gone.

Method 2: Correct Server Settings to Fix the Outlook Send/Receive Error
Resolves: incorrect IMAP, POP3, or SMTP configuration

  1. Open Outlook, go to the File>Account settings>Account settings.
  2. Select the desired account and click on Change.
  3. Click on Server Settings and verify incoming/outgoing server names.
  4. Now, verify the ports (IMAP/POP/SMTP) and select the encryption type (SSL/TLS)
  5. Save the configuration and exit Outlook.

Method 3: Disable Faulty Add-ins
Resolves: outdated or non-working add-ins

  1. Press Windows + R, then Open Outlook from outlook.exe /safe and click Enter.
  2. If you find the error disappears, then one of the add-ins that you have are malfunctioning,
  3. Go to File> Options> Add-ins and click on COM Add-ins from the Manage drop-down menu and hit Go.
  4. Unselect all add-ins and restart Outlook.
  5. If the error is fixed, then begin to enable add-ins one by one.
  6. When the error reappears, disable the most recently added add-in source and check whether an updated version is available.

Method 4: Repair Outlook Profile to Resolve Outlook Send and Receive Error
Resolves: a corrupted Outlook profile

  1. Open the Control Panel, go to the Mail>Show profiles.
  2. Highlight the desired account and click on Repair.
  3. Exit Outlook and open it again.

Method 5: Run the MAPI Repair Utility
Resolves: a damaged mapi32.dll file

  1. Open File Explorer (Win + E).
  2. Click into the address bar at the top.
  3. Go to C:\Windows\System32 or C:\Winnt\System32, based on the OS.
  4. Locate Fixmapi.exe and Double-click it (run as administrator).
  5. Once the process is completed, exit Outlook and open it again.

Method 6: Verify Microsoft 365 Connectivity
Resolves: outages or misconfigured account connections

  1. Visit the Microsoft 365 website and check the status.
  2. Double-check the account settings in Outlook.
  3. Proceed to File> Account Settings > Account Settings and verify the account settings.
  4. If the problem isn’t solved, remove the account and add it again.

Method 7: Update or Repair the Office Installation
Resolves: incomplete or incompatible Windows/Office updates

  1. Visit the Control Panel>Programs>Programs and Features.
  2. Right-click on Microsoft Office and select Change.
  3. Select the online repair or quick repair and follow the instructions.

Method 8: Repair the PST File Using ScanPST

  1. Close Outlook first, as it needs to be closed to move forward.
  2. Double-check the location of ScanPST.exe based on the Outlook version.
  3. Open the file and click on the Browse button to open the desired PST.
  4. Make sure that the “Create backup of scanned file before repairing” option is selected
  5. Click Start to scan.
  6. After completion of the scan, click on the Repair button to repair.
  7. Open the Lost and Found folder in Outlook to double-check the repair status.

These are the methods that can fix Microsoft Outlook send and receive errors for minor corruption or connectivity issues.

Drawbacks of Manual Methods

These are some limitations you should know before trying to fix Outlook Send/Receive error:

  • Each method addresses one specific cause at a time.
  • Manual PST edits carry a real risk of permanent data loss.
  • No built-in diagnosis, so success is confirmed only by retesting.
  • Add-in, profile, and connectivity fixes don’t resolve file-level corruption.
  • Reconfiguring a profile or account risks losing signatures, rules, or settings.
  • No bulk option — each mailbox or profile has to be handled individually.
  • ScanPST can’t recover severely corrupted, encrypted, or permanently deleted data & may silently discard unrepairable items with no preview beforehand.

Note: If the error persists after trying every method above, the underlying cause is most likely deep PST corruption. ScanPST and manual fixes aren’t equipped to resolve. A dedicated PST recovery tool is recommended to use as the next step.

Repairing PST Files with a Dedicated Recovery Tool

Deep PST corruption needs something built specifically to handle it, and that’s exactly where Aryson PST Recovery Software comes in. This tool brings multiple advanced features like multiple recovery modes, encrypted and protected file support, date-range filtering, folder hierarchy preservation, etc. It can also export to multiple file formats, including PST, EML, MSG, DBX, and MBOX. The same software can even speed up slow Microsoft Outlook application. It can easily recover the full mailbox regardless of file size or corruption level.

Steps to repair a PST file using a Dedicated Recovery Tool:

  1. Install and launch the Aryson PST Recovery Tool.
  2. Click Open, then add the damaged PST file and choose a recovery mode (Standard, Advanced, or Deep mode).
  3. Select the correct encryption type of the file from the drop-down.
  4. Click OK and let the scanning complete, then select the folder as needed, then click Save.
  5. You can save by choosing the file format & date-range filter.
This is the overall process to repair your PST file; if you need a more detailed process, go through the complete guide. It can provide you with a step-by-step process and ways to export in other formats.

Why Choose a Dedicated PST Repair Tool?

  • Handles even the most severely corrupted or inaccessible PST files, alignment errors included.
  • Works with encrypted and password-protected files that most tools simply can’t do.
  • Adjusts to the damage with recovery modes ranging from light to deep, and works with both ANSI and Unicode files regardless of size.
  • Recovers everything — emails, contacts, calendars, tasks, notes, even deleted folders.
  • Allows you to preview and search results before saving, and extract only a certain period of data if you need to recover just a few emails.
  • You can customize the destination location and export from PST to EML, MSG, DBX, or MBOX with the original structure.

Preventing PST Corruption and Send/Receive Errors

  • Use Outlook’s Archive feature regularly to keep the active PST file from growing too large.
  • Always exit Outlook properly; never force-quit or power down while it’s still running.
  • Keep antivirus definitions updated, but exclude email scanning to avoid interrupting the server connection.
  • Maintain regular PST backups so a corruption event doesn’t mean starting from zero.
  • Install Windows and Office updates fully, and avoid add-ins from unverified sources.

ScanPST vs. Aryson PST Recovery

Capability ScanPST Aryson PST Recovery
Repairs severely corrupted or inaccessible PST files Fails on severe corruption Repairs even heavily damaged files
Recovers encrypted or password-protected PST files Not supported Fully supported
Preview recovered data before committing to a save Not available Full preview, including deleted folders
Handles oversized PST files (no size ceiling) Fails near the ANSI/size limit of 2 GB No size restriction
Exports recovered data to multiple formats (PST, EML, MSG, DBX, MBOX) PST only Multiple format support

Conclusion

The right way to fix Outlook Send/Receive error just comes down to the level of the issue. Dealing with a dropped connection, a misconfigured setting, or a minor PST inconsistency. The manual methods, or ScanPST, will resolve it. But when corruption becomes more severe, solving it manually becomes a long, tiring process. That’s precisely the point where Aryson  PST Recovery Tool proves to be the right tool for the job, with its total range of recovery options including repairing severely corrupted files, managing encrypted files, previewing all items, recovering deleted items, and more advanced features.

Frequently Asked Questions

Q.1 Why does my Outlook keep saying send/receive error?

Ans: It might be caused by some common errors such as configuration problems, PST file corruption, and numerous other errors.

Q2. How do I fix the “Microsoft Outlook preparing to send/receive error?

Ans: You can use some of the reliable fixes to resolve your errors. If the reason of error is PST corruption, ScanPST can resolve minor corruption. But if the level of corruption is severe, Aryson PST Recovery Tool is recommended.

Q3. Can a corrupted PST file be repaired if it’s password-protected?

Ans: Yes, you can easily repair it using the Aryson PST Repair Tool. It can repair from minor to severely corrupted files with its advanced features, even if the files are encrypted or protected.

Q4. Can deleted emails or folders be recovered during a PST repair?

Ans: Definitely, you can use ScanPST, but sometimes it may not recover them. It requires a dedicated professional recovery process designed specifically to reconstruct deleted items alongside the rest of the mailbox.

Q5. Does PST size affect whether a file can be repaired?

Ans: Generally, no. But, in case you have oversized PST Files, then use the Aryson Split PST Software. It splits large PST files into smaller parts based on MB or GB.

Q6. Can recovered PST data be saved in a format other than PST?

Ans: ScanPST can save only in PST. If you require another format, you can use the Aryson PST Recovery Tool, which exports to multiple formats (PST, EML, MSG, DBX, MBOX) with a date range filter.

3.1/5 - (55 votes)

About The Author:

Rohan Wiese is a Technical Content Writer at Aryson Technologies, specializing in databases, e-mail recovery, and e-mail migration solutions. He enjoys conducting research and generating information that assists database administrators, businesses, and novices in resolving issues with MS SQL Server, MySQL databases, Cloud Computing, and Microsoft Exchange.

Realted Post

offer image

Aryson Technologies footer logo

united states

2880 Zanker Road, Suite 203, San Jose, CA - 95134, USA

© Copyrights 2014-2026 by Aryson Technologies Private Limited - All Rights Reserved