The spreadsheet scavenger search

You have scanned poster #5/10 with shortcut Ctrl ; to enter the current date (Cmd ; on Mac).
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For Poster #5/10, your bonus shortcut is Ctrl D to auto-fill down. All 5s should be replaced with D. After the spreadsheet has loaded, double tap a cell in the "Guess" column" to try. Find other bonus shortcuts around Edinburgh to solve the puzzles.
Shortcuts in action
Ctrl ; enters current date on Windows, ^ ; on Mac. It can be part of a sentence too.
Ctrl D (D for down) fills down from the cell above, ⌘ D on Mac.
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Find other bonus shortcuts around Edinburgh to solve the puzzles.