Tastatur (Buchstaben) funktioniert teilweise nicht, zB. Outlook "Teilnehmer hinzufügen" oder in dem Feld Details unten. Sehr nervig!!!

Question

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Moved from Outlook | Windows | Classic Outlook for Windows | For business

Answer 1

The described behavior (letters sometimes not working in specific Outlook fields like “Teilnehmer hinzufügen” or the Details field) matches typical intermittent keyboard issues in Windows rather than an Outlook‑specific feature.

Perform the following checks and fixes in order:

1. Rule out a hardware problem
   1. Connect an external USB/Bluetooth keyboard and test typing in the same Outlook fields.
      • If the external keyboard works reliably, the built‑in keyboard is likely faulty.
   2. If using a desktop keyboard, disconnect and reconnect it (or try another USB port) and test again.
2. Clean the keyboard
   • Debris under the keys can cause keys to work only sometimes.
   • Turn off the device.
   • Use compressed air to blow under and around the affected keys.
   • Wipe the keys with a slightly damp microfiber cloth and let everything dry completely, then test again.
3. Test outside Outlook
   • Open another app (for example, Notepad or Word) and type continuously with the same keys that fail in Outlook.
   • If the same keys fail intermittently in other apps, the issue is at OS/keyboard level, not Outlook.
4. Test in Windows Safe Mode
   • Boot Windows into Safe Mode.
   • Start Outlook (if possible) or at least test typing in other apps.
   • If the keyboard works normally in Safe Mode, a third‑party application (for example, security software, keyboard tools, or overlays) is likely interfering. Remove or disable recently installed tools one by one and test again.
5. Check for third‑party security/utility conflicts
   • Some third‑party security products and utilities are known to interfere with input devices.
   • Temporarily uninstall or disable such software and test the keyboard again in Outlook.
6. Try a different keyboard layout
   • In Windows Settings → Time & language → Language & region, add a second keyboard layout (for example, the same language again or another layout), move it to the top, and remove the old one.
   • Sign out and sign back in, then test Outlook again.

If, after these steps, the keyboard only fails in Outlook and nowhere else, collect details (Windows version, Outlook version, exact fields where input fails, and whether external keyboards are affected) and provide them to support so that a potential Outlook‑specific bug can be investigated.

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References:

• Some keys in the keyboard are not working.
• How to reset my keyboard? Combination of "Alt + L " gives weird characters and message is sent automatically. - Microsoft Q&A