How to Unmerge Cells in Excel – Keep Data Intact

2026-08-07

Unmerge one selection

How to unmerge cells in excel:

  1. Select the merged range (or any cell inside it).
  2. Home → Merge & Center → Unmerge Cells.
  3. Only the top-left cell keeps the value; other cells become empty—copy/fill if you need the label on every row.

Shortcut path: Home ribbon → Alignment group → Merge & Center dropdown.

Unmerge an entire sheet

  1. Select all (Ctrl+A).
  2. Unmerge Cells.
  3. For title rows used only for layout, consider Center Across Selection instead of Merge (Format Cells → Alignment → Horizontal).

Why merged cells break tools

Merged headers break filters, pivots, sort, and many imports. After unmerging:

Next step Tool / guide
Normalize header names Header normalize
Split one field into columns Column split
Join two columns of text Merge two columns
Prep for SQL Excel to SQL