There are pros and cons to using special characters in email subject lines. Generally, marketers report higher open rates.
Some report better engagement, but many don’t.
There are also reports of special characters causing problems with deliverability, mostly because spammers became very fond of special characters for a while.
Answer:
Rename a file or folder
Explanation:
1.Right-click on the item and select Rename, or select the file and press F2 .
2.Type the new name and press Enter or click Rename.
A: Symmetric encryption uses a single key that should be kept secret. The same key is used for both encryption and decryption of data.