Lock cells in Excel shortcut
Learn how to lock cells using shortcut keys; in Excel, cells are locked by default. But sometimes they are unlocked by mistake while performing other operations. If you want to check if a cell is locked, or if you want to lock a cell, you can use the following methods.
Shortcut keys for locking cells
Windows
Ctrl + 1
Mac
command + 1 or control + 1
Lock cells using shortcut keys
Learn how to lock cells using shortcut keys.
Total Time: 1 minute
Select a cell

Select the cell for which you want to set cell locks.
Format Cells dialog box opens

Press Ctrl + 1 to display the Format Cells dialog box.
Set cell locks

Press P to select Protection tab, and Press Alt + L to place a check mark in the "Locked".
Cell lock is complete

Press Enter to set the cell lock.
Check cell lock

It is difficult to tell by appearance alone whether a cell is locked or not. If you want to check, press Ctrl + 1 again to open the Format Cells dialog box, press P to open the protection tab, and you will see that "Locked" is checked.