---
title: "What are the main causes of error 0x800ccc0f in Outlook?"  
description: "What are the main causes of error 0x800ccc0f in Outlook?"  
author: "Lily Chitlangiya"  
published: 2022-01-25  
canonical: https://answers.mindstick.com/qa/95242/what-are-the-main-causes-of-error-0x800ccc0f-in-outlook  
category: "troubleshooting"  
tags: ["outlook", "outlook email", "microsoft outlook", "troubleshooting"]  
reading_time: 1 minute  

---

# What are the main causes of error 0x800ccc0f in Outlook?

What are the main [causes](https://www.mindstick.com/blog/300781/sore-throat-symptoms-and-causes) of [error 0x800ccc0f](https://answers.mindstick.com/qa/95225/how-can-i-fix-outlook-error-0x800ccc0f) in [Outlook](https://www.mindstick.com/blog/325/css-background-image-property-not-working-in-outlook)?

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## Answers

### Answer by Hitesh Vohra

**The following are some of the most common causes of the MS Outlook [error](https://answers.mindstick.com/qa/94992/how-do-you-fix-the-windows-needs-to-be-repaired-error-on-windows-10):** \

- Outlook incoming and outgoing emails are being blocked by a firewall.
- Damaged or corrupted OST files
- **Exchange server or internet connectivity issues**
- A problem with the server's settings.
- Outlook profile PST file size is bigger than the maximum size limit due to **incorrect settings or corruption..**
- I hope this answer would help you to know about the main causes of error in outlook

**[Read more](https://answers.mindstick.com/qa/95243/how-do-i-fix-outlook-s-action-cannot-be-completed-error)**


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Original Source: https://answers.mindstick.com/qa/95242/what-are-the-main-causes-of-error-0x800ccc0f-in-outlook

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