Unresponsive Microsoft Outlook? Attempt These 8 Solutions

Are you grappling with the frustrating occurrence of Microsoft Outlook sporadically crashing upon launching the application on your Windows computer? Perhaps you’ve encountered the irksome scenario where the app periodically freezes, thrusting forth an unwelcome “Microsoft Outlook Not Responding” proclamation at seemingly capricious moments?

Embark on this comprehensive tutorial, where we delve into the intricate realm of Microsoft Outlook’s responsiveness anomalies within the Windows environment. Unravel the underlying causes that render this electronic maestro momentarily silent and unyielding. Moreover, prepare to equip yourself with a repertoire of eight prospective remedies meticulously curated to orchestrate the revival of Outlook’s harmonious symphony.

Terminate and then relaunch Outlook

Restoring equilibrium might involve halting Outlook via the Windows Task Manager.

Begin by right-clicking on the Start menu icon, or employ the shortcut Windows key + X, followed by the selection of Task Manager from the Quick Access menu.

A handy tidbit: expedite Task Manager’s launch with the swifter keyboard shortcut Ctrl + Shift + Esc.

Once within the confines of the “Processes” tab, single out Microsoft Outlook, then proceed to its cessation by choosing the “End task” option nestled in the bottom-right corner.

Should your quest for Outlook on the “Processes” tab yield naught, venture to the “Details” tab, where you’ll pinpoint OUTLOOK.EXE for a similar treatment – an emphatic “End task.”

A confirming prompt shall materialize, inviting you to execute the “End process” verdict. Yield to this and forge ahead.

Having traversed these steps, unfurl Microsoft Outlook anew and scrutinize its comportment for signs of liberation from freezing or crashing tendencies.

Start Outlook in Safe Mode

As previously mentioned, Microsoft Outlook might encounter unresponsiveness due to the influence of certain pre-installed or third-party add-ins on its performance. To troubleshoot this, initiating Outlook in Safe Mode can prove advantageous, temporarily deactivating all add-ins and customizations during the launch of the application. This procedure aids in identifying if a malfunctioning or conflicting add-in is the root cause behind the unresponsiveness issue faced by Outlook.

To initiate Outlook in Safe Mode through the Run box, follow these steps:

  1. Begin by pressing the Windows key + R, which will prompt the Run box to open.
  2. Within the dialog box, input or paste the command: Outlook.exe /safe
  3. Proceed by selecting OK or pressing Enter.

In cases where Windows fails to initiate Outlook in Safe Mode using the Run box, an alternative approach is available:

  1. Press and hold the Ctrl key.
  2. Simultaneously select the Outlook app icon from your Desktop, Taskbar, or Start menu.

Upon doing so, a confirmation prompt will emerge, seeking your consent to launch Outlook in safe mode. Opt to proceed by selecting Yes.

Moving forward, to undertake the process of enabling Safe Mode, you can implement the following steps:

  1. Navigate to the “Profile Name” drop-down menu and opt for Outlook.
  2. Confirm your selection by choosing OK.

Should Outlook perform seamlessly in safe mode, this signifies that an add-in is culpable for triggering the “Microsoft Outlook (Not Responding)” error. Subsequently, the subsequent step involves the deactivation of all add-ins, followed by restarting Outlook.

  1. Initiate the process by selecting File from the menu bar.
  2. Progress by choosing Options (or More > Options) situated at the lower extremity of the left sidebar.
  3. Proceed to the Add-ins page and opt for COM Add-ins from the “Manage” drop-down menu, subsequently selecting Go.
  4. Within the “Add-ins available” section, proceed to uncheck all add-ins, followed by the selection of OK.
  5. Conclude this step by closing and then reopening Outlook. Commence the re-enabling of previously disabled add-ins, one at a time, with the intention of pinpointing the problematic or defective add-in accountable for the Outlook crashes.

Transitioning to the final phase of this troubleshooting process, the subsequent steps encapsulate the resolution of the issue pertaining to problematic add-ins:

  1. Return to the Add-ins page within Outlook (as detailed in step #7).
  2. Select and activate the add-in that necessitates enabling, followed by the selection of OK.
  3. Close and reopen Outlook, repeating step #8 for all add-ins, whether they are built-in or third-party. Should Outlook encounter freezing and display the “Microsoft Outlook Not Responding” alert upon enabling a specific add-in, this directly highlights the source of the predicament.

In such instances, a revisit to Outlook’s Safe Mode becomes imperative. Disable the culpable add-in, subsequently relaunching Outlook once again. By diligently following these comprehensive steps, you will be able to identify and rectify the add-in-related issues leading to Outlook’s unresponsiveness.

Refresh Outlook

Occasionally, your PC’s Outlook application might experience unresponsiveness, which could stem from an outdated or glitch-riddled version. To swiftly address this, establish an internet connection and adhere to the subsequent steps:

  1. Initiate the Outlook application and navigate to the menu bar, where you should click on the “File” option.
  2. Progress to the sidebar and opt for “Office Account.”
  3. In this interface, locate the dropdown menu labeled “Update Options” and select it.
  4. Choose the “Update Now” option from the available choices.

Upon executing these actions, the Microsoft Office Click-to-Run Client will be activated. This adept tool serves the purpose of updating Outlook if a more recent iteration is available. Conversely, if your PC already boasts the latest version of Outlook, a notification proclaiming “You’re up to date!” shall materialize.

Should the lingering issue of “Microsoft Outlook Not Responding” persist, it’s recommended to conclude the update client and explore alternative troubleshooting avenues.

Execute the Outlook Advanced Diagnostics Tool

Microsoft offers an ingenious automated diagnostics tool crafted to adeptly mend a spectrum of predicaments not just within the realm of Outlook, but also extending its benevolent reach to encompass a myriad of Office and Windows applications. The path towards rectification unfurls thusly: commence by securing the setup file through a swift download, a precursor to orchestrating the tool’s installation upon your personal computing sanctum. However, heed this crucial caveat – tether your device to the vast expanse of the internet before venturing forth

With your digital domain thus fortified, embark upon the journey of revival as orchestrated below: Initiate the renaissance from the Start menu’s sanctuary; a mere typographical flourish of “Microsoft support” within the hallowed search bar shall unveil the portal to redemption. Then, with a flourish of administrative authority, invoke the ethereal invocation – “Run as administrator” – within the sacrosanct enclave christened “Microsoft Support and Recovery Assistant.”

The stage is now set, and Outlook beckons for your discerning touch. Traverse onward, and with a keystroke, proclaim your allegiance to progress – a simple “Next” shall suffice. Gaze upon the array of tribulations, and with judicious insight, select the ailments that most aptly mirror the affliction tarnishing your Outlook oasis. Whether it be a reluctance to awaken, a somber freeze in the face of diligence, or the haunting echo of a crash accompanied by a dirge – “Microsoft Outlook has stopped working” – make your selection and pave the path towards rectification with yet another decisive “Next.”

A crossroads presents itself – the query of your allegiance. As if a knight choosing a banner to rally beneath, opt for “Yes” and usher forth the herald of rejuvenation. If, perchance, the very malaise you seek to vanquish holds your dominion in its thrall, proceed unflinchingly. A domain of authentication emerges – your Microsoft affiliation entwined with your digital essence. Yet, should your allegiance waver or another entity beckon, “Use another account” stands poised to weave a new narrative.

Minimize the Data File of Outlook

As your digital hub for communication, your Outlook inbox and its associated data expand with the constant influx of sent and received emails. The growth of this data can lead to a gradual slowdown in the responsiveness of Outlook, causing delays when opening emails and executing various tasks. In more severe cases, the accumulation of data might trigger corruption within the data file, potentially resulting in crashes or instances where Outlook becomes unresponsive during use.

Fascinatingly, Microsoft empowers users with the ability to take matters into their own hands, allowing for the manual compression and reduction of the Outlook data file size without resorting to the deletion of crucial messages and folders.

Upon launching Outlook, embark on this journey towards optimization by navigating through the following steps: Commence by clicking on the “File” option perched atop the menu bar, then gracefully descend to the “Account Settings” drop-down menu, selecting the subsequent “Account Settings” option. Herein lies the gateway to your data file management.

Embark upon the “Data Files” tab—a realm where the essence of your email interactions dwells. Survey the expanse of data files available, each bearing its unique imprint of communication history. With careful consideration, designate the data file deserving of your compression efforts and embark on this transformative path by selecting “Settings.”

Intrigue takes center stage as you journey deeper into the heart of this digital labyrinth. A realm known as the “Advanced” tab awaits your arrival, promising the tools necessary for a metamorphic experience. Under the banner of “Outlook Data File Settings,” a choice presents itself—a gateway towards efficiency beckons.

Repair Outlook

Resolving glitches that lead to operational hiccups while sending or perusing emails within your inbox can often be achieved by undertaking a repair process for Outlook. This corrective measure can be initiated either through the Windows Settings app or the Control Panel, depending on your preference.

In the Windows Settings app, navigate to the path Settings > Apps > Apps & features. Once there, locate Microsoft Outlook, and by selecting the adjacent menu icon, you can then opt for the ‘Modify’ option. If you choose the Control Panel route, start by accessing Control Panel > Programs > Programs and Features. Here, you’ll find Microsoft Outlook; select it and then click on ‘Change’ from the menu bar. Within the ensuing steps, you’ll be presented with the opportunity to decide how to proceed with the repair process. Your selection will lead you to the path of either Quick Repair or Online Repair.

Quick Repair stands as a swift self-restoration procedure, deftly scanning for any instances of file corruption. It efficiently swaps out any compromised files with pristine duplicates residing locally on your computer, all while being executed expeditiously and without any reliance on an internet connection.

On the flip side, Online Repair takes a more comprehensive approach. It involves the uninstallation of Outlook from your computer, followed by a fresh installation from the servers hosted by Microsoft. The successful execution of this process necessitates an internet connection and is characterized by a relatively longer duration compared to its Quick Repair counterpart.

Reboot Your System

Performing these steps will initiate a comprehensive system refresh for your Windows environment. This procedure serves a dual purpose: it not only resolves potential conflicts between running programs and Outlook but also addresses any underlying issues that might be impairing Outlook’s proper functionality.

To ensure a seamless process, it is imperative that you meticulously close all active applications before proceeding with the PC restart. This precautionary measure guarantees the safeguarding of any unsaved work, preventing any inadvertent data loss.

To embark on this journey of optimization, begin by pressing either the Windows key or clicking on the Start menu icon. Your next course of action involves directing your attention to the Power icon, whereupon selecting the “Restart” option will set the wheels in motion. By following these carefully curated steps, you are taking proactive strides towards a revitalized Windows experience and a seamlessly functional Outlook.

Refresh Your Computer

At times, within the realm of Windows Updates, a cascade of enhancements ripples forth, encompassing not just the panoramic landscape of the operating system, but also reaching out with meticulous hands to caress the very fabric of Microsoft Outlook and its brethren within the Office suite. These updates, akin to master artisans, delicately mend the tapestry of concerns that have plagued Outlook, quelling the vexing specters that hinder its harmonious unfurling or graceful traversal upon the stage of Windows.

Behold, if your electronic sanctum bears the emblem of Windows 11, navigate the labyrinthine corridors of the Settings app, where a scroll through the digital scrolls reveals the sacred tab labeled “Windows Updates.” Herein, a realm of possibilities beckons – each update an invitation to partake in a symphony of rejuvenation. Embrace this invitation, by command or by whim, and usher in a digital renaissance upon your realm.

Meanwhile, in the realm of Windows 10, a similar journey unfolds. Traverse the terrain of the Settings realm until the sanctuary known as “Update & Security” emerges from the mist. Herein lies the sacred altar, adorned with the sacred sigil of “Windows Update.” A simple incantation – “Check for updates” – beckons forth the arcane forces, which weave their magic to unveil the hidden treasures of software evolution.


In the grand tapestry of our digital existence, the importance of staying attuned to the rhythm of updates cannot be overstated. Just as a masterful conductor orchestrates a symphony to perfection, so too must we, the custodians of our technological domains, heed the call to keep our systems in harmonious resonance.

Whether it be the enigmatic corridors of Windows 11 or the familiar landscapes of Windows 10, the journey to a realm of enhanced functionality and refined performance beckons. The artistry of these updates extends beyond mere lines of code – they are the brushstrokes that paint a portrait of seamless operation, the threads that mend the fabric of our digital experiences.

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