It’s a blue and white icon with a large “W” on a paper folder. You’ll typically find it on your home screen or in the app drawer, depending on your settings.;
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To add a dash to an existing document, tap Open, then select the document you want to edit.
To create a new document, tap New, choose where you want to save the document, then tap Blank document.
 This opens your Android’s keyboard.
 It usually has several symbols/punctuation marks on it (e.g. #, @).
 Again, its location varies by device, but you’ll usually see it in a row with other symbols. This makes a dash appear in your document.


The underscore/underline key, _, looks similar to the dash key. The underline is usually longer and closer to the bottom of the key than the dash.
Open Microsoft Word.
Open a document.
Tap the Word document.
Tap the symbol key on the keyboard.
Tap the - key.
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