Excel allows you to protect the contents of specific cells in a worksheet. In doing so, you can choose whether users are allowed to select or edit a cell or range of cells, insert or delete rows or columns, alter formatting, and sort and filter, among other options.xcel allows you to protect the contents of specific cells in a worksheet. In doing so, you can choose whether users are allowed to select or edit a cell or range of cells, insert or delete rows or columns, alter formatting, and sort and filter, among other options.
When your friend has seen your message, the word Seen appears below the message. Messages are marked as seen when the person you sent them to is actively chatting or checking their messages. This feature is part of every message you send, whether it's from your phone or a computer.
1 Be aware that they can still send you messages after being unfriended, unless you block them. 2  See How to Block People on Facebook. 3  Your friend will not be notified that you've hidden them on your feed, or locked them out of certain parts of your profile.t's possible to adjust your privacy settings so they no longer see parts of your profile that you don't want them to comment on. 1  Click on Customize Settings from your privacy page and then for each aspect of your profile, select Customize from the dropdown menu. 2  Type the friend's name into Don't share this with.