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Choosing a User ID
A User ID is the unique name you use to identify yourself on eBay and can be seen by all eBay users. Your User ID is displayed when you buy or sell on eBay or communicate with other eBay members. However, other users won't be able to see your real name and other personal information.
You use your user ID and password to sign into eBay. When you register, choose a User ID that you like and that you'll remember. For example:
Remember that User IDs can contain letters (a-z), numbers (0-9), and/or some symbols, and must be at least six characters long. The most secure User IDs contain a combination of all the above options.
What You Can’t Include in a User ID
The following list includes characters and elements that you cannot include in a User ID:
Note: If you received the message You have entered a user ID that is not allowed, you may have included one or more characters or spaces that are not allowed in a user ID.
You can only change your user ID once in a 30-day period. This is to prevent confusion for other eBay members.
About Creating eBay Store Names
Store names are another form of identification on eBay. More flexibility is possible in creating Store names. For example, spaces are allowed in Store names, as are symbols such as &; however, eBay Store names must otherwise follow the same guidelines and restrictions as eBay User IDs.
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