Right-clicking on the trackpad causes the application to close on its own.

Ghostowl 0 Reputation points
2026-11-12T17:51:49.11+00:00

Hello, When I am composing an email and want to paste an item, the Outlook application closes on its own as soon as I click on the trackpad to bring up the paste menu.

Outlook | Windows | Classic Outlook for Windows | For business
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  1. Chris-D 2,625 Reputation points Independent Advisor
    2026-11-12T18:27:22.8133333+00:00

    Hi Ghostowl,

    Thank you for sharing your situation.

    To assist you more effectively, could you please confirm the following?

    • Does Outlook also close when you paste using Ctrl + V?
    • What type of content are you trying to paste, such as text, an image, or a file?
    • Does the issue occur with all emails or only a specific message?
    • Does the same issue occur when using an external mouse instead of the trackpad?
    • Do you receive any error message, or does Outlook simply close?

    In the meantime, try using Ctrl + V to paste the item and let me know whether this works.

    Please feel free to share the information in the comment below. Once I have it, I'll be better positioned to guide you through the next steps. 

    I look forward to hearing your thoughts. 

    Note: Follow the steps in the forum documentation to enable email notifications if you want to receive email notifications related to this topic.

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  2. AI answer

    2026-11-12T17:52:15+00:00

    This matches a known issue in classic Outlook for Windows where Outlook can unexpectedly close while typing or doing authoring actions. In affected cases, the crash can happen during compose actions such as bringing up paste-related options.

    Check whether the Outlook crash matches this issue:

    1. Open Windows Event Viewer.
    2. Go to the Application log and look for Event 1000 or Event 1001 at the time of the crash.
    3. If the faulting module is a language file such as mscss7it.dll, mscss7ge.dll, or another mscss7xx.dll, the problem is likely caused by an out-of-date Office language pack.

    If that matches, use this fix path:

    1. Go to Windows Settings > Apps > Installed Apps.
    2. Look for an older Office language installation.
    3. If the event log shows a module version such as 16.0.4288.1000, uninstall that old Office language installation.
    4. Reinstall the language pack by following Step 2: Configure Microsoft 365 language in Language Accessory Pack for Microsoft 365.

    Important: uninstalling a language pack changes Office proofing/display language behavior until it is reinstalled.

    If the crash only happens when composing and not at Outlook startup, this is more relevant than the startup-only crash issue tied to corrupted rules.

    AI-generated content may be incorrect. Read our transparency notes for more information.

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