Fix Word Shortcut Conflict Between IME Toggle and Application Hotkey

When you press a keyboard shortcut in Word, the Input Method Editor (IME) may activate or change language instead of running the intended command. This happens because Windows reserves certain key combinations like Alt+Shift or Ctrl+Shift for IME toggle. The conflict causes Word to ignore your hotkey or switch keyboard layouts unexpectedly. This article explains why the conflict occurs and provides three reliable methods to fix it. You will learn how to disable IME hotkeys, change Word shortcuts, or adjust language bar settings.

Why IME Hotkeys Interfere With Word Shortcuts

Windows uses keyboard shortcuts to switch between installed input languages or keyboard layouts. The default sequences are Left Alt+Shift and Ctrl+Shift. When you press either combination in Word, the operating system intercepts the keystroke before Word can process it. Word then sees a different keyboard state or ignores the command entirely.

This behavior is by design for multilingual users who need to toggle between English, Chinese, Japanese, Korean, or other IMEs. However, if you use only one language or prefer to switch layouts through the taskbar, these global shortcuts become a nuisance. The conflict is most noticeable with Word commands that use Ctrl+Shift+letter combinations, such as Ctrl+Shift+F for font dialog or Ctrl+Shift+E for track changes.

Which Key Combinations Are Affected

The following default Word shortcuts commonly conflict with IME toggle hotkeys:

• Ctrl+Shift+F — Open the Font dialog
• Ctrl+Shift+E — Turn Track Changes on or off
• Ctrl+Shift+K — Apply small caps formatting
• Ctrl+Shift+P — Open the Font Size dialog
• Ctrl+Shift+S — Apply a style

If you have added custom shortcuts that use Alt+Shift or Ctrl+Shift, those will also be blocked.

Method 1: Disable IME Key Sequences in Windows Settings

This method removes the IME toggle from the keyboard entirely. Word will then receive every keystroke without interference.

1. Open Windows Settings
   Press Windows+I to open Settings. Go to Time & Language > Typing.
2. Open Advanced Keyboard Settings
   Scroll down and click Advanced keyboard settings under the More keyboard settings section.
3. Access Input Language Hot Keys
   Click Input language hot keys. The Text Services and Input Languages dialog opens.
4. Select the Conflicting Key Sequence
   In the Installed services list, locate the entry for your language (for example, English (United States) – US). Below it, you will see “Between input languages.” Click that entry, then click Change Key Sequence.
5. Set to Not Assigned
   In the Change Key Sequence dialog, select Not Assigned for both Switch Input Language and Switch Keyboard Layout. Click OK, then OK again to close all dialogs.

After completing these steps, Alt+Shift and Ctrl+Shift will no longer change your input method. You can still switch languages by clicking the language abbreviation on the taskbar or by pressing Windows+Space.

Method 2: Change the Conflicting Word Shortcut

If you want to keep IME hotkeys active, reassign the Word command to a different key combination. This method works for any built-in or custom shortcut.

1. Open Word Options
   In Word, go to File > Options.
2. Open Customize Ribbon and Keyboard Shortcuts
   Click Customize Ribbon. At the bottom of the dialog, next to Keyboard shortcuts, click Customize.
3. Locate the Conflicting Command
   In the Categories list, select the tab that contains the command. For example, select Home Tab to find Font. In the Commands list, select the command that uses the conflicting shortcut, such as FormatFont.
4. Remove the Old Shortcut
   In the Current keys box, select the conflicting key combination and click Remove.
5. Assign a New Shortcut
   Click in the Press new shortcut key box. Press the new key combination you want to use, for example Ctrl+Shift+Alt+F. Click Assign, then Close.

Repeat this process for every Word command that conflicts with IME hotkeys. Save your changes and restart Word.

Method 3: Adjust Language Bar Key Settings

This method is useful if you cannot or prefer not to change Windows Settings. It works on Windows 10 and Windows 11.

1. Open Language Bar Settings
   Right-click the language abbreviation on the taskbar (near the clock). Select Language bar options. If you do not see this option, go to Control Panel > Clock and Region > Language > Advanced settings > Use the language bar when available.
2. Open Key Settings
   In the Text Services and Input Languages dialog, click the Advanced Key Settings tab.
3. Change the Key Sequence for IME Toggle
   Under Hot keys for input languages, select Between input languages and click Change Key Sequence. Choose Not Assigned for both options, then click OK.
4. Apply the Changes
   Click Apply, then OK. The IME toggle hotkeys are now disabled.

The language bar itself remains visible on the taskbar. You can still switch languages by clicking the abbreviation or using Windows+Space.

What to Do If the Conflict Persists

Word Still Ignores Ctrl+Shift Shortcuts

If you disabled IME hotkeys but Word still does not respond to Ctrl+Shift combinations, the issue may be caused by a third-party keyboard manager or an add-in. Temporarily disable all Word add-ins via File > Options > Add-Ins > Go (next to Manage COM Add-ins). Restart Word and test the shortcut. If it works, re-enable add-ins one by one to find the culprit.

Shortcut Works in One Document but Not Another

This indicates the shortcut was overridden at the document or template level. Open the document, go to File > Options > Customize Ribbon > Customize (keyboard shortcuts). In the Save changes in dropdown, select Normal.dotm instead of the document name. Remove any duplicate assignments. Click Close and save.

Alt+Shift Opens a Menu Instead of Switching Language

After disabling IME hotkeys, Alt+Shift may still activate the ribbon or a menu. This is normal because Alt key access keys are built into Word. To avoid this, use Ctrl+Shift combinations or reassign the Word command to a key that does not include Alt.

Comparison of Fix Methods

Item	Disable IME Hotkeys	Reassign Word Shortcut
Scope	Affects all applications	Affects only Word
Effect on language switching	Disables Alt+Shift and Ctrl+Shift for IME	Preserves IME toggle behavior
Time to apply	2 minutes	5-10 minutes per command
Risk of breaking other apps	Low	None
Persistence after Windows update	Settings may reset	Settings remain in Normal.dotm

Choose Disable IME Hotkeys if you rarely switch languages and want a system-wide fix. Choose Reassign Word Shortcut if you need the IME toggle to remain active for other purposes.

You can now resolve shortcut conflicts between IME toggle and Word hotkeys using any of the three methods described. Start with Method 1 to disable IME hotkeys globally if you use only one language. If you need to keep language switching, use Method 2 to reassign Word commands to key combinations that do not include Alt+Shift or Ctrl+Shift. As an advanced tip, consider creating a custom keyboard layout in Windows that removes the IME toggle entirely while preserving all other language bar functions.