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Excel selects multiple cells instead of one (cells are not merged) - When clicking on a cell, Excel will select multiple cells around the intended selection. Also, the number of cells automatically selected and position of the selection is random each time the intended cell is clicked on.
Shift + Arrow Keys will select correctly but is not practical to use every time.
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Might be EXT mode - touch F8 to clear this
Might be Sticky Keys - touch SHFT 5 times to clear this
gsnu201004
To expand on EXT mode: Regarding EXT mode this is turned on or off in 2007 by pressing F8. It is also called Extend Selection in 2007 or later and if the Selection Mode option has been turned on for Excel's status bar you will see "Extend Selection" displayed. This mode can also be turned off by pressing Esc.
If this answer solves your problem, please check Mark as Answered. If this answer helps, please click the Vote as Helpful button. Cheers, Shane Devenshire
In Excel 2010 on Windows 8.1, I ran into this same issue. The zoom trick worked temporarily, until my next selection at 100%. What worked permanently was maximizing my window. When not maximized, I got this, when maximized, everything worked normally.
I have the same problem in Excel 2010. The sticky keys and the extend selection (F8) is not the issue, I have turned them on and off several times, and I have tried the zoom as well, and whilst sometimes it fixes it temporarily, it comes back within 10 clicks. I don't have this issue on the Mac version of Excel.
thanks for your help.
Isabelle
thank you. worked.