[libreoffice-users] Getting a Red-box around Cell entries or Selected Areas

Hello Group:

Windows 10-x64 Home

Version: 6.4.3.2 (x64)
Build ID: 747b5d0ebf89f41c860ec2a39efd7cb15b54f2d8

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The format of the Calc file that I am working on is .csv.

I do not know what I have done to cause a red-line box to appear after 
making an entry into a Calc cell.

If I select a row, a red box overlay around the entire row appears.

A bolded-red dot appears in the upper-left corner of the cell/row and a 
pop-up message is displayed; it has a time stamp included followed by a 
note that describes what was just done in that cell/row, e.g., 
(timestamp:) Row 256:Row 256 inserted, as if recording changes.

I need help. I am new to LO; have been using AOO for a while.

Thanks for reading this; stay safe, be well.

Regards,

VinceB.