How to Mark All Emails as Read in Outlook

Liza Gupta
10 Min Read

Are you staring at an Outlook inbox filled with hundreds of unread emails? You’re not alone. Many of us find ourselves overwhelmed by the constant influx of messages, struggling to keep up with every single one.

It’s frustrating, isn’t it? You might be worried about missing important information or feeling stressed by that ever-growing number next to your inbox.

The problem often snowballs because we’re busy with other tasks, and not every email demands immediate attention. But as those unread messages pile up, it becomes harder to spot the truly important ones. You might even start avoiding your inbox altogether, which only makes the situation worse.

Don’t worry – there’s a simple solution to help you regain control of your Outlook inbox right now. By the end of this article, you’ll have the tools to clear that backlog and maintain a tidier, less stressful inbox going forward.

Why marking emails as read matters

Before we dive into the how-to, let’s quickly touch on why this skill is so important:

1. It helps reduce stress. A cluttered inbox full of unread messages can feel overwhelming. When you mark emails as read, you’ll feel more organized and in control of your digital life.

2. Fewer emails help improve focus. With fewer unread emails cluttering your view, it’s easier to spot important new messages when they arrive. You’ll be more likely to catch urgent emails quickly.

3. It saves time. Once you’ve marked emails as read, you won’t waste time re-checking messages you’ve already dealt with. This lets you focus on new, important information instead.

Now that you understand why this matters. Let’s look at how you can easily mark emails as read in Outlook.

How to mark all your unread emails in Outlook?

Method 1: Mark individual emails as read in Outlook desktop app

If you’re using Outlook on your computer, here’s how to mark specific emails as read:

  • Open your Outlook application.
  • Navigate to your inbox or the folder containing the emails you want to mark.
  • Right-click on the email you want to mark as read.
  • From the context menu, select Mark as Read.

right click on an email and choose mark as read from the options in outlook desktop app

Alternatively, you can use these handy keyboard shortcuts:

  • Press Ctrl + Q to mark a selected email as read.

control and q keys in windows

  • Press Ctrl + U to mark a selected email as unread.

control and u keys in windows

Pro tip: To mark multiple emails at once, hold down the Ctrl key while clicking to select multiple messages. Then right-click and choose “Mark as Read” or use the keyboard shortcut.

Method 2: Mark all emails in a folder as read

Need to clear out an entire folder of unread emails? Here’s how:

  • In the Outlook desktop app, go to the folder you want to clear.
  • Right-click on the folder name in the left sidebar.
  • Select Mark All as Read from the menu.

click on any folder in folder pane and choose mark all as read in outlook desktop app

This method is particularly useful for clearing out newsletters or other low-priority folders in bulk.

Method 3: Using filters to find and mark unread emails

If you want to be more selective about which unread emails to mark, try using Outlook’s filters:

  • In your Outlook inbox, look for the Filter button near the top of the window.

click on the filter icon in outlook desktop app

  • Click on the filter button and select Unread from the dropdown menu.

choose unread from the options after click filter icon in outlook desktop app

  • Your inbox will now only display unread messages.
  • Now click Mark all as read at the top toolbar.

click mark all as read icon in outlook desktop app

This method gives you more control over which unread emails you’re clearing out.

Method 4: Mark emails as read in Outlook web app

If you use Outlook.com or the web version of Outlook for work, the process is slightly different:

  • Sign in to your Outlook account online.
  • Navigate to your inbox or desired folder.
  • Hover over the email you want to mark as read.
  • Look for the envelope icon that appears.
  • Click the envelope icon to toggle between read and unread status.

mark as read or unread icon in outlook web

To mark all emails in a folder as read in the web app:

  • Right-click on the folder name in the left sidebar.
  • Select Mark all as read from the menu.

right click on any folder in folder pane and click on mark all as read in outlook web

Method 5: Using the Outlook mobile app

For those who manage emails on the go, here’s how to mark emails as read in the Outlook mobile app:

  • Open the Outlook app on your smartphone or tablet.
  • Go to your inbox or the folder containing the emails.
  • Swipe right on an email to mark it as read (or unread if it’s already read).

open outlook app and swipe right to mark email read or unread in iphonr

  • To mark multiple emails, tap and hold one email, then tap to select others.

tap and hold on an email and then select multiple email in outlook app in iphone

  • Tap the Mark as Read icon at the bottom.
  • Click on Mark to confirm.

click on mark as read icon and then click on mark to confirm in outlook app in iphone

How to create a “Mark as Read” search folder

For power users who frequently need to find and mark unread emails, consider creating a dedicated search folder:

  • In Outlook desktop, right-click on Search Folders in the folder pane.
  • Select Create new search folder.

right click on search folder and choose create new search folder in outlook desktop app

  • Click on Select a type dropdown and choose Unread mail from the options.

choose unread mail from the optons in new search folder window in outlook desktop app

  • Now, enter the Search folder name and click on Create.

enter search folder name and then click on create in oultook desktop app

Now you’ll have a folder that automatically shows all your unread emails across different folders, making it easy to manage them in one place.

Customize how Outlook marks emails as read

Did you know you can adjust when Outlook automatically marks emails as read? Here’s how:

  • Go to File > Options > Mail.

click on the mail in options in outlook app in windows

  • Scroll down to the “Outlook panes” section.
  • Click Reading Pane.

click on the reading pane in mail section in outlook options in outlook app in windows

  • Here, you can set options like:
    • Mark items as read when viewed in the Reading Pane.

check the box Mark items as read when viewed in the Reading Pane in outlook options in outlook app

    • Wait X seconds before marking an item as read.

enter time in Wait X seconds before marking an item as read in outlook option in outlook app in windows

Adjusting these settings can help you fine-tune how Outlook handles unread status based on your reading habits.

What to do when Outlook shows unread emails that don’t exist?

Sometimes Outlook plays tricks on you, showing unread emails that aren’t really there. It’s frustrating, but don’t worry. Here are some simple fixes you can try:

1. Restart Outlook

Often, the easiest solution is to just close and reopen Outlook. This can fix sync issues and refresh your inbox.

  • Close Outlook completely.
  • Wait a few seconds.
  • Open Outlook again.

2. Check all your folders

Unread emails might be hiding in unexpected places. Take a quick look through your folders:

  • Scan through your folder list on the left side of Outlook.
  • Look for any folders with bold text, which indicates unread messages.
  • Open these folders to find and deal with any unread emails.

3. Update Outlook

Running an outdated version of Outlook can cause weird glitches. Make sure you’re using the latest version:

  • Open Outlook and click on File.

click on the file tab in outlook app in windows

  • Select Office Account or Account.

click on the office account in file menu in outlook app in windows

  • Look for an Update Options button.
  • Click it and select Update Now if available.

click on update options and then click on update in outlook app in windows

4. Rebuild your Outlook data file

If nothing else works, you might need to repair your Outlook data file:

  • Close Outlook.
  • Open File Explorer and navigate to: C:\Program Files (x86)\Microsoft Office\root\Office16\
  • Find and run SCANPST.EXE.
  • Follow the prompts to select and repair your Outlook data file.

Remember, this is a more advanced step, so only try it if the other methods don’t work.

The takeaway

You came here looking for a way to tame your unruly Outlook inbox, and now you have the tools to do just that. Remember, you’re not alone in this struggle – many of us face the same challenge of managing an overwhelming number of emails every day.

The key is to use these techniques regularly. Whether it’s using quick keyboard shortcuts, bulk-marking emails in specific folders, or setting up filters to catch unimportant messages, find the method that works best for your workflow. Don’t forget you can apply these across all versions of Outlook – on your desktop, web browser, or mobile app.

It’s easy to think you need to read every single email thoroughly, but that’s not always practical or necessary. Scanning and marking as read can be an effective strategy for many low-priority messages, freeing up your time and mental energy for what truly matters.

Start putting these tips into practice today. Take control of your inbox now, reduce your stress, and focus on the emails that really need your attention. A cleaner, more manageable Outlook awaits – you’ve got this!

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My love for tech is more than merely using gadgets. Yes, I adore learning how they operate and teaching other people about that as well. I began doing it by repairing my own devices, and soon enough, I was creating extensive guides to help other people repair their tech troubles as well. Whether it's optimizing a mobile phone or implementing a smart home, I like to make technology easy and approachable for anyone.
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