Merging table cells in Google Slides can create a heading that spans several columns or combine space for a shared label. Use it sparingly so the audience can still understand which values belong under which headings. Merging is a structural change, not just a decorative line removal.
Choose the cells carefully
Open the slide on a computer and inspect the cells you intend to combine. Check their existing contents before merging. If they contain separate meaningful values, decide where those values should live rather than treating the operation as a harmless visual shortcut.
Merge the selected cells
Click and drag to highlight the intended cells. Right-click the highlighted area and choose Merge cells. Google’s table guidance describes this operation for both documents and presentations. Inspect the resulting cell immediately to confirm that the selected region was correct.
Enter or revise the shared heading so it accurately describes the columns or rows beneath it. A merged heading should make the relationship clearer, not hide differences between unrelated categories.
Verify the table’s reading logic
Read the table from its top-level heading to each individual value. Check the border lines around the merged area and the alignment of remaining columns. Present the slide and consider whether a viewer can identify the applicable heading without additional explanation. If the table becomes difficult to interpret, use simpler headings instead. Do not assume that merging cells calculates, deduplicates, or reconciles the information previously entered into them; review the actual retained content and its meaning after the operation.
References
Reviewed against the linked official product guidance on November 3, 2026. Features, limits, screen labels, and access can vary by account, platform, region, and organization policy.