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In NVDA, go to the Preference Tab, the click Document Formatting.
Select the Font Attributes check box in the pop up box.
In JAWS, you can examine the font attributes at the cursor, including whether or not there is strikethrough, by pressing INSERT + F.
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To create symbols,
Go to the Insert Tab.
Go to the Symbols section and click Symbol.
A dropdown menu will appear, click more symbols to get a wider variety of symbols to choose from.
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