How Do I Fix My “Outlook Not Showing All Emails” 7 Easy Steps

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  • Updated on April 26th, 2025

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A business professional regularly checks their Outlook inbox on multiple devices. However, they have noticed that certain important emails, especially time-sensitive requests from clients, aren’t showing up. This happens when using Outlook remotely. While the emails are visible on other platforms, they don’t appear in Outlook. This disrupted their workflow, causing delays in responding to clients, leading to miscommunication. Now, how will the user fix the Outlook not showing all emails error? To answer the question, read this blog till the end to find out the solutions to fix this. Additionally, get to know about an automated Outlook PST Repair Tool, which will fix this problem in no time. 

The Outlook Not Showing All the Emails occurs when Outlook does not properly display all the emails from the server. But, they are visible on other platforms such as Outlook Web Access, Apple Mail, etc. 

Causes of Outlook Inbox Not Showing All Emails

Before exploring the solutions to solve the problem, let us first try to understand why the problem occurred in the first place. Here are some reasons that explain what might have caused the error to occur:

  • Sometimes, Outlook fails to sync your emails. This could be due to an unstable internet connection, misconfiguration, or server timeouts.
  • Outlook’s custom views or filters can hide your emails without you realizing it.
  • Certain add-ins and extra plug-ins may conflict with Outlook, causing issues with how your emails show up.
  • If you’re using an older version of Outlook or Windows, it might lead to compatibility issues.
  • A mailbox reaching its storage quota may prevent new emails from syncing correctly.
  • Profile corruption is a common cause of Outlook not showing all emails in inbox or sync errors.
  • Outlook runs on Cached Exchange Mode and saves your emails locally. If that saved copy gets corrupted, some emails won’t appear.

Let’s head to the next section and try to implement the solutions to resolve the error.

How to Fix “Outlook Not Showing All Emails”?

Now that we know the root cause of the problem, let’s move ahead and review the solutions to fix the error.

Update Outlook

  1. Open Outlook and go to File.
  2. Click on Office Account > Update Options.
  3. Press Update Now to update the Outlook application.

Check your View and Filters

  1. Open the Outlook application.
  2. Go to View and click on Reset View.
  3. Check if there are filters or custom filters applied. If there is, clear them.

Check your Mailbox Size 

  1. Open MS Outlook.
  2. Navigate to File > Info
  3. Now, check if you are close to your mailbox storage quota.
  4. Delete the unnecessary emails or folders to free up your storage space.

Repair your Outlook Profile

  1. In Outlook, go to File.
  2. Then, navigate to Account Settings > Account Settings.
  3. Select your email account and click on the Repair button.
  4. Follow the instructions on the screen and then restart Outlook

This will probably solve the case when the Outlook app not showing all emails.

Clear the Outlook Cache

  1. First, close the Outlook application completely.
  2. Navigate to this location: 
C:\Users\[YourName]\AppData\Local\Microsoft\Outlook
  1. Delete the .dat file.
  2. Open Outlook and allow it some time to sync from the server.

Disable Add-ins

  1. In MS Outlook, navigate to File > Options > Add-ins.
  2. Then, select Manage COM Add-ins and click on Go.
  3. Uncheck the unnecessary add-ins and hit Ok.
  4. Now, close and reopen Outlook

An Automated Tool to Fix Out Not Showing All Emails

The Outlook PST Repair Tool is a professional solution to fix errors like Outlook not showing all emails. This tool allows users to repair corruption issues and facilitates bulk recovery. Depending on the extent of the corruption, users can perform either a quick or a deep scan. It also comes with a preview feature to review the recovered emails and attachments before saving them. With strong data security measures and multiple saving format options, this tool is ideal for both businesses and individuals.

Quick step-by-step process to solve Outlook inbox not showing all emails:

  1. Download, install, and open Outlook PST Repair Tool.
  2. Then, go to Open and select your corrupted File.
  3. Select the type of Recovery Mode and click on the Ok button.
  4. Once the scanning process is completed, click on Ok.
  5. After that, preview the contents of the data. 
  6. Next, hit the Save button to export the repaired file to your desired destination folder.
  7. At last, click on Ok.

Conclusion

To sum it up, Outlook not showing all emails may arise due to various reasons, such as improper synchronization etc. The solutions provided in this blog should help resolve this issue. If a PST file is found to be corrupt, you can use the Outlook PST Repair Tool to facilitate recovery. Following these steps will help ensure that your Outlook remains reliable and efficient. 

Related Post: Solve Outlook for Mac Not Syncing with Gmail.

Frequently Asked Questions:

Q- Why am I not seeing all my emails in Outlook?

Ans- If Outlook is not showing all your emails, it could be due to several factors. Filters may be hiding the message, syncing issues, or a full mailbox, and outdated software may impact email visibility.

Q- How do I clear the cache in Outlook?Ans- Open Outlook. Go to File > Options > Mail. Scroll down and select Send Messages. Click on Empty Auto-Complete List. This will clear the cache in Outlook and may fix the error, too.

About The Author:

Raj is a skilled technical writer who makes complicated topics easy to understand. With experience in email and cloud migration, he creates clear and engaging content that helps readers learn about technology. His work is trusted by many and has been featured on well-known tech sites.

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