What superscript and subscript do, and where to find them

Superscript raises text above the baseline — used for exponents (2³), footnote markers, or ordinal numbers (1st, 2nd). Subscript lowers text below the baseline — used in chemical formulas (H₂O), mathematical notation, or reference numbers. Both are formatting options built into Word, Excel, and PowerPoint.

The fastest way to explore either format is a keyboard shortcut. In Word and PowerPoint, press Ctrl + Shift + Plus for superscript and Ctrl + Shift + Minus for subscript on Windows. On Mac, use Command + Shift + Plus for superscript and Command + Shift + Minus for subscript. In Excel, these shortcuts work the same way.

If the keyboard shortcut does not work in your version, or if you prefer using the menu, both programs offer the formatting through the Home tab or Format menu. The shortcut is faster once you memorize it, especially if you type formulas or citations regularly.

Key Takeaways

  • Superscript raises text for exponents and footnote numbers; subscript lowers text for chemical formulas and mathematical notation.
  • Windows users press Ctrl + Shift + Plus for superscript and Ctrl + Shift + Minus for subscript in Word, Excel, and PowerPoint.
  • Mac users press Command + Shift + Plus for superscript and Command + Shift + Minus for subscript.
  • You must select the text first, then press the shortcut — the formatting applies only to what you highlighted.
  • If the shortcut does not work, use the Home tab (Word and Excel) or Format menu to find the superscript and subscript buttons.

How to select text before using the shortcut

The shortcut only works on text you have already selected. Click and drag to highlight the character or number you want to format, or double-click a word to select it. For a single character, you can click right before it, hold Shift, and click right after it.

Once the text is highlighted (shown in blue or your system's selection color), press the keyboard shortcut. The formatting applies when ready. If you press the shortcut by mistake with nothing selected, nothing happens — you can type normally and the next character will not be affected.

To remove superscript or subscript, select the formatted text again and press the same shortcut a second time. This toggles the formatting off.

Using the menu when the keyboard shortcut does not work

In Word, select the text, then go to the Home tab and look for the superscript and subscript buttons in the Font group. They appear as small raised and lowered "x" symbols. Click the one you need. You can also right-click the selected text, choose Font, and check the Superscript or Subscript box in the dialog.

In Excel, the process is the same: select the text within a cell, go to Home, find the superscript and subscript buttons in the Font group, and click. Excel also allows you to access these through Format > Cells > Font tab > Effects section.

In PowerPoint, select the text on your slide, go to Home, and use the superscript and subscript buttons in the Font group. The menu route takes a few more clicks than the shortcut, but it works if your keyboard layout does not support the standard shortcut combination.

Why the shortcut might not work on your keyboard

Some keyboard layouts, particularly non-English ones or laptop keyboards without a numeric keypad, may not respond to Ctrl + Shift + Plus or Minus. International keyboards sometimes map the Plus and Minus keys differently, or your keyboard driver may not pass the combination through correctly.

If the shortcut does not work, check your keyboard layout in your system settings. On Windows, go to Settings > Time & Language > Language & Region > Language Options and verify which layout is active. On Mac, check System Preferences > Keyboard > Input Sources. Switching to a US English layout temporarily, or using the menu method instead, are both reliable workarounds.

Some versions of Office also allow you to create custom shortcuts. In Word, go to File > Options > Customize Ribbon > Keyboard Shortcuts and search for Superscript or Subscript to assign a different key combination if you prefer.

Common uses for superscript and subscript in different documents

In academic writing, superscript numbers mark footnotes and endnotes — Word can automate this through Insert > Footnote or Endnote, which handles the numbering and formatting for you. In scientific papers, subscript appears in chemical formulas (CO₂, H₂SO₄) and mathematical equations. Superscript is also used for trademark symbols (™) and copyright marks (©), though these have their own special characters.

In business documents, superscript often marks registered trademarks or footnotes explaining terms. In Excel spreadsheets, subscript may appear in column headers or cell notes for clarity, though it is less common than in Word. PowerPoint presentations use both formats mainly in technical slides, mathematical proofs, or scientific diagrams.

If you type the same formula or notation repeatedly, consider using AutoCorrect to replace a shorthand with the formatted version. In Word, go to File > Options > Proofing > AutoCorrect Options and create an entry that converts your shorthand (like "H2O") into the properly formatted version (H₂O) automatically.

Copying and pasting formatted text

When you copy text that has superscript or subscript formatting and paste it into another location in the same document, the formatting stays attached. If you paste into a different program, the result depends on that program's compatibility — Word formatting usually transfers to PowerPoint and Excel, but pasting into a plain text editor or email will strip the formatting.

To preserve formatting when copying between programs, use Paste Special instead of regular paste. In Word, Excel, and PowerPoint, press Ctrl + Alt + V (Windows) or Command + Control + V (Mac) to open Paste Special, then choose "Formatted Text" or "Keep Source Formatting." This gives you more control over what gets pasted.

Frequently Asked Questions

Can I use superscript and subscript in Excel cell formulas?

No — superscript and subscript are display formatting only and do not affect how Excel calculates. You can format text or numbers in a cell to appear as superscript or subscript for readability, but the actual formula or value remains unchanged. Use them only when you want text to look a certain way, not when you need the formatting to change a calculation.

What if I need to type superscript numbers that are not on my keyboard?

Select the number or character you want to format and use the keyboard shortcut or menu method. The shortcut works on any character — you do not need a special superscript key. If you need a superscript character that does not exist on your keyboard (like a superscript 4), type the regular character first, select it, then explore the superscript formatting.

Does the superscript shortcut work in Google Docs or other online editors?

Google Docs uses different shortcuts: Ctrl + . (period) for superscript and Ctrl + , (comma) for subscript on Windows; Command + . and Command + , on Mac. Other online editors like OneDrive or Sheets may have their own shortcuts or require menu access. Check the help documentation for the specific program you are using.

Can I make text both superscript and subscript at the same time?

No — a character can only be superscript or subscript, not both. If you need to show both raised and lowered text in the same expression, format each part separately. For example, in a chemical equation, format the subscript numbers in one part and superscript charges in another.

Will superscript and subscript formatting print correctly?

Yes — superscript and subscript formatting prints exactly as it appears on screen. When you print a Word document or PowerPoint slide, the raised and lowered text comes out correctly. Test a sample page first if you are unsure, but the formatting is stable and reliable in print.