I do now (re: F8).
F8
To turn on Extend mode (EXT appears in the lower-right corner of the window); pressing F8 repeatedly extends the selection to the word, the field, the record (in Datasheet view only), and all records
LEFT ARROW or RIGHT ARROW
To extend a selection to adjacent fields in the same row in Datasheet view
UP ARROW or DOWN ARROW
To extend a selection to adjacent rows in Datasheet view
SHIFT+F8
To undo the previous extension
ESC
To cancel Extend mode
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Chris Altmann