1-minute answer
_ is a standard keyboard character — press Shift+- on a US keyboard, or copy it from the key above.
01 All shortcuts at a glance
| Platform | Shortcut | |
|---|---|---|
| Standard US keyboard | Press Shift+- directly — it's a printable key, no code needed |
|
| Windows (any app) | Win+. or Win+; emoji/symbol picker, or Character Map (Win+R → charmap) |
|
| Mac | Control+Command+Space to open Character Viewer, search "Low Line" |
|
| Word / Outlook | Type 005F, then press Alt+X |
|
| Linux (IBus) | Ctrl+Shift+U, then 005f, then Enter |
|
| HTML / CSS | _ · \005f (CSS) |
02 Step by step, per platform
A real, followable procedure for every platform — not a thin restatement of the shortcut.
Any device (US keyboard)
- Press Shift+- — it's printed on the keycap.
- On other layouts (AZERTY, QWERTZ) the key may be in a different position or need a modifier \xe2\x80\x94 use the picker methods below if you can't find it.
Windows
- Open Character Map: Win+R, type charmap, press Enter.
- Search or scroll for Low Line (U+005F).
- Select it, click Copy, then paste where you need it.
Mac
- Press Control+Command+Space to open the Character Viewer.
- Type "Low Line" in the search field.
- Double-click the result to insert it.
Microsoft Word
- Type 005F.
- Press Alt+X immediately after — it converts the hex code to _.
03 Characters in this set
04 FAQ
What is the Unicode code point for Low Line?
Low Line is U+005F. In HTML that's <code>_</code> or <code>_</code>.
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