1. How to launch the Character Map:
• Press Windows Key + R, type charmap, press OK.
2. What to do if above command doesn't work:
• Press Windows Key + R, type appwiz.cpl, press OK.
• Click on Add/Remove Windows Components (third button on the left pane).
• Select Accessories and Utilities, and then press on the Details button.
• Select Accessories, and then press again on the Details button.
• Check the box next to Character Map.
• Press OK. Press OK again.
• Press Next. Press Finish.
• Close the Add/Remove Programs Wizard.
3. How to insert a symbol in MS Word:
• Go to the Insert menu, and click on Symbol. If you do not see Symbol in the drop-down menu, click on Insert twice, to unfold the whole menu.
• On the Symbols tab, make sure you are viewing the right Font you intend using. To insert a symbol from your font currently in use in your document, click the down arrow on the right side of the Font box and select (normal text); this is actually the first from the top of the list.
• Select the symbol you want, click Insert, and then click Close.
A couple of questions for you:
a. Can you type @ anywhere except MS Word, or not at all?
b. Some localized keyboard layouts have @ (SHIFT + 2) and " (SHIFT + ') swapped.