How to Unhide Columns in Excel

What this does

Hiding a column tucks it out of sight while every value and formula in it keeps working — useful for helper columns or sensitive figures you do not want on screen. You select columns by their letters, right-click and pick Hide. Most columns unhide by selecting the columns either side of the gap and choosing Unhide. Column A is the awkward exception: there is no column to its left to include in the selection, so the standard trick fails and you reach it through the Name Box instead. Most people learn this as a sequence of clicks and forget it by next week; learning it as a pattern instead is what lets you apply it to the next, slightly different version of the problem without starting from scratch. That is the difference this page is trying to make. For “unhide columns in excel”, the reliable version is a short checking loop, not just the first command that appears to work. Run it on a deliberately small range first, watch how the affected columns change, and only then apply the same setup to the full sheet. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. That is what makes a layout choice that keeps the sheet readable and sortable useful in real work: repeatable, auditable, and not dependent on memory or luck.

A worked example

A sheet has working columns C, D and E you want hidden. Click header C, drag to E to select all three, right-click and choose Hide — columns C to E disappear and the letters run B, F. The special case is a hidden column A: select B and the gap and Unhide does nothing, so instead type A1 into the Name Box (top-left, beside the formula bar) and press Enter to jump into the hidden column, then Home ▸ Format ▸ Hide & Unhide ▸ Unhide Columns to bring A back. Hide columns to keep helper calculations, ID codes or sensitive figures off the screen and out of a print-out without deleting them. Knowing the Name Box route to recover column A turns the one genuinely fiddly case into a two-step fix. If there is any chance you will reuse this, drop it into a small template tab right now: a labelled input area on the left and the formula beside it, checked once against the tool above. Next time the same question comes up, the answer is a single paste away instead of a rebuild from memory.

In Google Sheets

Google Sheets handles this almost identically to Excel. The formula syntax above is the same, and the menu lives under a slightly different label rather than a ribbon tab. Use the platform toggle at the top of the page to switch every keyboard shortcut between Windows and Mac, and expect at most cosmetic differences in naming. Keep this page bookmarked for the next time the same question comes up. Better still, rebuild the example once in your own sheet — doing it yourself, with the tool above to check against, is what turns a copied formula into a technique you own. If you take one thing from this page on “unhide columns in excel”, make it the habit rather than the keystrokes: set the problem up with labelled inputs, reference those cells, and let Excel do the recomputing. Bookmark the page for the syntax, but do the example once in a blank sheet and check it against the tool above — five minutes of hands-on practice fixes the method in memory far better than re-reading, and it surfaces the small snags while they are still harmless. After that the technique is genuinely yours: faster than searching for it again, and reliable enough to drop into work that other people depend on.

Common mistakes

• Selecting cells rather than whole column letters, which greys out Hide or hides the wrong range.
• Trying to unhide column A by selecting around it — nothing sits to its left, so use the Name Box trick instead.
• Assuming a hidden column is deleted; the data is intact and any formula pointing at it still calculates.
• Hiding a column other code or a chart depends on, which can confuse references that expected it visible.

Frequently asked questions