What those black boxes are and why they appear

The black boxes you see in your Word document are formatting marks — symbols that represent spaces, tabs, paragraph breaks, and other invisible characters. Word uses them to show you where formatting exists that you might not see otherwise. A black box usually means a tab character, while a paragraph mark looks like a backwards P, and a space shows as a dot.

These marks are turned on by default in some versions of Word, or they may have been switched on by someone else who worked on the document before you. They do not print or appear in a PDF unless you specifically choose to show them, but they can make the document harder to read on screen.

Key Takeaways

  • Black boxes in Word are tab characters made visible by the formatting marks display, not actual content in your document.
  • You can hide all formatting marks at once using Ctrl+* on Windows or Cmd+* on Mac, or through the Home tab in Word.
  • If you want to remove the tab characters themselves rather than just hide them, select each one and press Delete or Backspace.
  • Formatting marks do not print or export to PDF, so hiding them only changes what you see on screen.

Hide all formatting marks at once

The fastest way to make the black boxes disappear is to toggle off the formatting marks display. On Windows, press Ctrl+* (that is Ctrl and the asterisk key together). On Mac, press Cmd+*. The black boxes and all other formatting symbols will vanish when ready.

If the keyboard shortcut does not work, you can do the same thing through the menu. Click the Home tab at the top of Word. Look for the button that looks like a paragraph mark (¶) — it is usually in the upper left area of the ribbon. Click it once to hide the marks, click it again to show them.

Remove individual tab characters if you want them gone permanently

Hiding the formatting marks only changes what you see — the tab characters are still in your document. If you want to actually delete them, you need to remove each one. Click right before the black box and drag to select it, then press Delete or Backspace. The tab character will be removed and the text will shift left.

If you have many tabs scattered through the document, you can use Find and Replace to remove them all at once. Press Ctrl+H on Windows or Cmd+H on Mac to open Find and Replace. In the "Find what" field, type ^t (that is a caret symbol followed by the letter t). Leave the "Replace with" field empty. Click "Replace All" and Word will delete every tab character in the document.

Tell the difference between tabs and other formatting marks

A black box specifically means a tab character. Other marks you might see include a dot for a space, a backwards P for a paragraph break, and a right-pointing arrow for an indent. If you see dots between words, those are spaces — you probably do not want to delete those. If you see the backwards P at the end of lines, those are paragraph breaks, which you also usually want to keep.

The black boxes are the ones that typically cause problems because tabs are often inserted by accident or left over from copying text from another source. Spaces and paragraph breaks are part of normal document structure.

Check if tabs are causing alignment problems

Sometimes people use tabs to line up text instead of using Word's built-in alignment or table tools. If you remove the tabs and your text suddenly shifts, that is why — the document was relying on those tabs to position things. If that happens, you can undo the deletion by pressing Ctrl+Z on Windows or Cmd+Z on Mac, then use proper alignment tools instead.

To align text the right way, select the text you want to move, then use the alignment buttons in the Home tab (left align, center, right align, or justify). If you need columns of information, create a table instead of using tabs. This makes the document cleaner and easier to edit later.

Why someone else might have left tabs in your document

Tabs often end up in documents when text is copied from a web page, an email, or another program. The source material may have used tabs for spacing, and they come along with the text when you paste. Some people also use tabs as a quick way to indent paragraphs instead of using Word's indent settings, which is why you might see them at the start of lines.

If you are sharing a document with others, you can hide the formatting marks so they do not see them, but the tabs will still be there. If you want to clean up the document for good, remove the tabs using Find and Replace, then use proper formatting tools like indents and alignment instead.

Frequently Asked Questions

Will hiding the formatting marks change how my document prints?

No. Formatting marks are only a display setting — they never print or appear in a PDF, whether they are hidden or shown. Hiding them only changes what you see on your screen.

What if I delete a tab and the text moves in a way I did not expect?

Press Ctrl+Z (or Cmd+Z on Mac) when ready to undo the deletion. The tab was probably being used to position text, and removing it breaks that alignment. Use proper alignment tools or a table instead.

Can I hide formatting marks in just one part of my document?

No. The formatting marks display is a document-wide setting — you either see them everywhere or nowhere. You can select a section and hide it, but that is a different feature.

Why do the black boxes keep coming back after I hide them?

They are not coming back — Word is remembering your preference. If they appear again after you close and reopen the document, someone else may have turned them back on, or a different version of Word has different default settings.