Excel VBA: Lock Keyboard Input (Disable ALL Typing for User Control & Security)
Need to lock down your Excel workbook and prevent users from typing? Learn the full VBA method to disable ALL keyboard input in Excel. This tutorial provides the necessary code to create a full keyboard lock, ignoring lowercase, uppercase, numbers, and common keys like Enter, Tab, and Delete. Essential for creating secure Excel dashboards or kiosk applications!
Most simple "disable keyboard" macros only handle a few keys. This comprehensive VBA macro uses Application.OnKey in a loop to systematically handle every key on the keyboard, from ASCII codes 48-122 for letters and numbers, to special functions keys.
We also show you the critical Worksheet Event (The Before DoubleClick procedure) you must use to completely block users from double-clicking into a cell and bypassing the keyboard lock. This is the full, professional solution for ensuring total user control.
What you will learn:
Looping through ASCII codes to disable all alphabet and number keys.
Handling common, non-alphanumeric keys ({ENTER}, {TAB}, {DELETE}, {BACKSPACE}).
Creating an "Enable Keyboard" macro to easily turn input back on.
Using a Worksheet Event to stop users from entering cells via double-click.
TIMESTAMPS:
0:00 | Introduction & Why Disable Keyboard Input
0:07 | Handling Lowercase Letters (ASCII 97-122)
1:13 | Handling Uppercase Letters (ASCII 65-90)
2:16 | Disabling Number Keys (ASCII 48-57)
2:46 | Disabling Common Keys: Enter, Tab, Delete, Backspace
4:15 | The Essential "Enable Keyboard" Macro
5:57 | Testing the Disabled Keyboard Macro
6:08 | The Bypass Issue: Double-Clicking into Cells
7:07 | The Worksheet Event Fix (Stopping Double-Click)
8:10 | Final Result: Keyboard Successfully Locked Down
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