Why Does Microsoft Edge Keep Opening New Tabs and How to Stop It

If Microsoft Edge keeps opening new tabs on its own — whether at startup, while browsing, or seemingly at random — it is one of the more disruptive browser behaviors you can encounter. This guide breaks down every known cause and every fix, on every device Edge runs on.

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Why Does Edge Keep Opening New Tabs?

Edge opens new tabs unexpectedly for a range of reasons — some are built-in Edge settings that can be adjusted, some are Windows behaviors that feed into Edge, and some indicate a more serious problem like malware or an unwanted browser extension. The cause determines the fix, so understanding which scenario applies to your situation is the most important first step.

The most common scenarios:

• Edge opens multiple tabs every time it starts up
• A new tab opens every time you click a link
• Tabs open automatically while you are browsing without clicking anything
• Edge opens new tabs containing ads or unfamiliar websites
• Edge opens a new tab every time you open a PDF or download a file
• Windows itself is launching Edge with multiple tabs after updates or restarts

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Cause 1: Edge Startup Settings Are Configured to Open Multiple Tabs

Why It Happens

Edge has a built-in startup behavior setting that determines what it does when it first launches. If this is set to open a specific set of pages — and multiple pages have been saved — Edge will open a new tab for each one every time it starts. This setting is also sometimes changed by software installers that modify browser settings as part of their installation process.

How to Fix It

1. Open Microsoft Edge
2. Click the three-dot menu (…) in the top right
3. Select Settings
4. Click Start, home, and new tabs in the left sidebar
5. Under When Edge starts, choose one of the following:
   • Open the new tab page — opens a single new tab each time
   • Open tabs from the previous session — restores only the tabs you had open last time
   • Open a specific page or pages — if this is selected, click the list and remove any pages you do not want opening automatically
6. If Open a specific page or pages is selected and has multiple entries, click the three dots next to each unwanted entry and select Delete

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Cause 2: Previous Session Restore Is Opening Too Many Tabs

Why It Happens

Edge’s session restore feature saves all open tabs when you close the browser and reopens them the next time Edge launches. If you had many tabs open when Edge last closed — including tabs opened by pop-ups or redirects — all of them will reappear on the next launch. If Edge crashed or was closed unexpectedly, it may also offer to restore a session with a large number of tabs.

How to Fix It

1. Go to Settings > Start, home, and new tabs
2. Under When Edge starts, change the setting from Open tabs from the previous session to Open the new tab page
3. To prevent accumulation of tabs going forward — use Edge’s tab groups or close tabs regularly before exiting

Clear a Problematic Saved Session

If Edge is restoring a specific bad session repeatedly:

1. Close all tabs you do not want
2. Close Edge normally — this saves the clean state
3. Reopen Edge — it should now restore only the tabs you intentionally left open

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Cause 3: A Browser Extension Is Opening New Tabs

Why It Happens

Browser extensions have significant control over Edge’s behavior — and a misbehaving, malicious, or poorly coded extension can trigger new tabs to open under various conditions. This includes extensions that open a tab when activated, extensions that redirect links to a new tab instead of loading in the current one, and outright malicious extensions designed to open ad-laden tabs.

Extension-triggered tab openings are particularly common when:

• A new tab opens every time you click a link
• The new tabs contain advertising content or unfamiliar websites
• The behavior started immediately after installing a new extension
• New tabs open when you hover over links without clicking

How to Fix It

1. Open Edge and type edge://extensions in the address bar
2. Review every installed extension — disable any you do not recognize or did not intentionally install
3. Toggle extensions off one at a time and test after each to identify the culprit
4. Once identified, click Remove to uninstall the problematic extension
5. Pay particular attention to extensions related to shopping, coupons, PDF tools, download managers, and video downloaders — these categories have the highest rate of unwanted tab behavior

Remove Extensions You Did Not Install

If you find extensions you do not remember installing:

1. Note the extension name
2. Search Windows for any associated software (search in Settings > Apps)
3. Uninstall any associated programs from Windows as well — removing just the extension sometimes is not enough if the underlying software reinstalls it

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Cause 4: Malware or Adware

Why It Happens

Unwanted new tabs containing advertisements, unfamiliar search engines, or suspicious websites are a strong indicator of malware or adware on your system. This type of malware — sometimes called a browser hijacker — modifies Edge’s behavior to open tabs for advertising revenue or to redirect your searches to controlled search engines. It typically arrives bundled with free software downloads, pirated content, or deceptive browser extension installations.

Signs that malware is causing the new tabs:

• New tabs contain advertisements or redirect to unfamiliar sites
• Your default search engine has changed without you changing it
• Your homepage has changed to an unfamiliar site
• New tabs open even when you are not actively using Edge
• The behavior persists even after disabling all extensions

How to Fix It

Run Windows Defender:

1. Open Windows Security (search in the Start menu)
2. Click Virus & threat protection
3. Click Quick scan or Full scan for a more thorough check
4. Remove any detected threats

Run Microsoft Defender Offline Scan:

1. Go to Windows Security > Virus & threat protection
2. Click Scan options
3. Select Microsoft Defender Offline scan
4. Click Scan now — this restarts your PC and scans before Windows loads, catching malware that hides during normal operation

Run Malwarebytes (Free):

1. Download Malwarebytes from malwarebytes.com
2. Install and run a free scan
3. Remove all detected items
4. Restart your PC

Use Edge’s Built-In Repair Tool:

1. Go to Settings > Reset settings
2. Click Restore settings to their default values
3. Click Reset — this removes extensions, clears startup pages, and resets Edge to a clean state without affecting bookmarks or passwords

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Cause 5: Pop-Up and Redirect Permissions Have Been Granted to a Site

Why It Happens

Websites can request permission to open new tabs or windows — and if you clicked Allow on a notification or pop-up permission request, that site now has ongoing permission to open new tabs in your browser. This is a common trick used by deceptive websites: they prompt you to click Allow under the guise of proving you are not a robot, continuing to a video, or accessing content — and then use that permission to continuously open new tabs.

How to Fix It

1. Open Edge and click the three-dot menu
2. Go to Settings > Cookies and site permissions
3. Scroll down and click Pop-ups and redirects
4. Under Allow, review the list of permitted sites
5. Click the three dots next to any site you do not recognize or did not intentionally allow
6. Select Remove or Block
7. Also check Notifications in the same permissions list and remove any suspicious sites from the Allow list there as well

Block All Pop-Ups by Default

1. Go to Settings > Cookies and site permissions > Pop-ups and redirects
2. Toggle Block (recommended) to On
3. This prevents any site from opening new tabs unless you explicitly allow it

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Cause 6: Windows Is Launching Edge With Multiple Tabs After Updates

Why It Happens

Microsoft has integrated Edge deeply into Windows — and Windows update processes, restart sequences, and certain system events can trigger Edge to open automatically, sometimes with multiple tabs including Microsoft news feeds, promotional content, or welcome pages. This is a well-documented and widely criticized behavior that Microsoft introduced as Edge became the default Windows browser.

Specific triggers include:

• Windows Update completing and restarting the PC
• Signing in to a Windows account for the first time or after a major update
• A Windows update that resets certain browser defaults
• Microsoft 365 or OneDrive integration prompts that open Edge tabs

How to Fix It

Disable Edge from opening after Windows restarts:

1. Open Edge and go to Settings > System and performance
2. Find Startup boost and toggle it off
3. Find Continue running background extensions and apps when Microsoft Edge is closed and toggle it off

Prevent Edge from reopening after Windows Update restarts:

1. Open Settings (Windows key + I)
2. Go to Accounts > Sign-in options
3. Scroll down to Additional settings
4. Turn off Automatically save my restartable apps and restart them when I sign back in

Disable Edge as a startup program:

1. Press Ctrl + Shift + Esc to open Task Manager
2. Click the Startup apps tab
3. Find Microsoft Edge in the list
4. Right-click and select Disable

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Cause 7: Edge’s New Tab Page Is Set to Open Specific Content

Why It Happens

Edge’s new tab page has a built-in news feed and content discovery feature that can be configured to load specific types of content. While this does not open additional tabs on its own, some users mistake the new tab page loading with content — news articles, Microsoft Start feed, promotional tiles — for unwanted tab openings, particularly if the new tab page refreshes aggressively.

How to Fix It

1. Open a new tab in Edge
2. Click the gear icon (Settings) in the top right of the new tab page
3. Under Page layout, choose Focused or Inspirational to reduce content density, or Custom to control exactly what appears
4. Toggle off Show content to remove the news feed entirely
5. Toggle off Show quick links if the site shortcuts are triggering accidental clicks that open new tabs

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Cause 8: Links Are Set to Open in a New Tab

Why It Happens

Edge has a setting that controls whether links — particularly search results and links you middle-click — open in new tabs or the current tab. Some websites also force links to open in new tabs through their HTML code (using target="_blank"). If you are finding that every link click opens a new tab, this may be an Edge setting rather than a malfunction.

Additionally, accidental middle-mouse-button clicks open links in new tabs — a common source of unintended new tab openings, particularly on laptops where the trackpad’s scroll gesture can accidentally trigger a middle-click.

How to Fix It

Check Edge’s link opening behavior:

1. Go to Settings > System and performance
2. Check for any settings related to link handling

For search results specifically:

1. Go to Settings > Privacy, search, and services
2. Scroll down to Address bar and search
3. Click Address bar and search
4. Find Open new tabs for search results and toggle it according to your preference

For accidental middle-clicks:

1. Go to Settings and search for middle click
2. Or adjust your mouse/trackpad settings in Windows to make the middle click less sensitive

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Cause 9: Edge Is Syncing Tabs From Another Device

Why It Happens

If you have Edge signed in with a Microsoft account and sync is enabled, Edge can receive open tabs from your other devices. This feature — called Tab sync — is designed to let you continue browsing on one device where you left off on another. However, if another device has many tabs open, syncing can cause those tabs to appear or be suggested in your current Edge session.

How to Fix It

1. Go to Settings > Profiles > Sync
2. Find Open tabs in the sync options
3. Toggle Open tabs sync off
4. This prevents Edge from pushing tabs from other devices to your current session

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Cause 10: PDF Files or Downloads Are Opening a New Tab

Why It Happens

Edge has a built-in PDF reader and download manager. By default, when you click on a PDF link or download certain file types, Edge opens a new tab to display or manage the file. While this is intentional behavior, it can feel disruptive if you expected the file to download silently or open in a separate application.

How to Fix It

For PDF files:

1. Go to Settings > Cookies and site permissions
2. Scroll down and click PDF documents
3. Toggle Always open PDF files externally to On if you prefer PDFs to open in a dedicated PDF app rather than a new Edge tab
4. Or toggle Open PDF files in Microsoft Edge to Off

For downloads:

1. Go to Settings > Downloads
2. Toggle Open Office files in the browser to Off if Office documents are opening in Edge tabs
3. Consider changing the Download location to a folder you check regularly, reducing the need for Edge to surface downloads in a tab

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Cause 11: Enterprise or Group Policy Settings

Why It Happens

On work or school computers, Microsoft Edge is often managed through Group Policy or Microsoft Intune. IT administrators can configure Edge to open specific tabs at startup, after login, or when certain conditions are met. If your Edge is managed by an organization, you may see a banner at the top of the Settings page saying “Your browser is managed by your organization.”

In this scenario, the tab behavior is controlled at the IT level and cannot be changed by the user without administrative permission.

How to Fix It

• Check if Edge is managed — Go to Settings and look for the “Managed by your organization” notice
• If present, contact your IT department and request that the startup tab policy be adjusted
• On a personal device, if you see this message unexpectedly, it may indicate that software installed on your machine has applied Group Policy settings — which can happen with some business software, VPN clients, or potentially malware

Check and remove unwanted policies (personal computers only):

1. Press Windows key + R, type gpedit.msc, press Enter (Windows Pro/Enterprise only)
2. Navigate to Computer Configuration > Administrative Templates > Microsoft Edge
3. Look for any policies related to startup pages or new tab behavior
4. Set any suspicious policies to Not Configured

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Cause 12: Edge Flags or Experimental Features

Why It Happens

Edge’s experimental features — accessible through edge://flags — can sometimes cause unexpected tab behavior when enabled. If you or a previous user of the browser has enabled certain experimental flags, these can affect how Edge handles navigation, link clicks, and tab management.

How to Fix It

1. Type edge://flags in the Edge address bar
2. Click Reset all to return all experimental flags to their defaults
3. Restart Edge and test

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How to Reset Microsoft Edge Completely

If you have tried the above fixes and Edge continues opening unwanted tabs, a complete reset returns Edge to factory defaults:

1. Open Edge and click the three-dot menu
2. Go to Settings > Reset settings
3. Click Restore settings to their default values
4. Read the confirmation — this will reset your startup page, new tab page, search engine, and pinned tabs, and disable all extensions. It will not delete bookmarks, history, or saved passwords.
5. Click Reset

For a more thorough reset on Windows:

1. Close Edge completely
2. Open Run (Windows key + R)
3. Type %localappdata%\Microsoft\Edge\User Data and press Enter
4. Rename or delete the Default folder
5. Reopen Edge — it will recreate the folder with fresh default settings

Warning: Renaming or deleting the Default folder removes all local Edge data including extensions, settings, and cached data. Bookmarks and passwords synced to your Microsoft account will be restored when you sign back in, but locally stored data will be lost.

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Quick Reference: New Tab Causes and Fixes

Cause	Quick Fix
Startup settings	Settings > Start, home, and new tabs > change startup behavior
Session restore	Change startup to “Open new tab page” instead of previous session
Misbehaving extension	Disable extensions one by one at edge://extensions
Malware or adware	Run Windows Defender and Malwarebytes scans
Pop-up permissions	Settings > Cookies and site permissions > Pop-ups and redirects
Windows Update behavior	Disable startup boost, turn off app restart in sign-in options
New tab page content	Adjust new tab page layout in the gear icon settings
Link open behavior	Check address bar and search settings for new tab preferences
Tab sync from other devices	Settings > Profiles > Sync > turn off Open tabs
PDFs opening in tabs	Settings > Cookies and site permissions > PDF documents
Managed by organization	Contact IT department
Experimental flags	edge://flags > Reset all

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Final Thoughts

Edge opening unwanted new tabs almost always comes down to one of a handful of causes — startup settings configured to open multiple pages, a misbehaving or malicious browser extension, pop-up permissions granted to a deceptive website, or Windows itself triggering Edge to launch after updates. The fastest diagnostic is to check edge://extensions and disable all extensions, then check Settings > Start, home, and new tabs to review startup behavior. If the tabs contain advertisements or redirect to unfamiliar sites, treat it as a malware situation and run a full scan before anything else. For persistent cases that do not respond to individual fixes, the Reset settings option in Edge returns the browser to a clean state in under a minute — and combined with a Malwarebytes scan covers the vast majority of cases.