Delete one character to the left.

`Backspace`

All hotkeys for Microsoft Projects 2007 (Windows)

Use the Network Diagram View Move to a different Network Diagram box.	`Arrow Keys`
Use the Network Diagram View Add Network Diagram boxes to the selection.	`Shift` + `Arrow Keys`
Use the Network Diagram View Move a Network Diagram box. Note: Manual positioning must be set first. Click Layout on the Format menu, and then click Allow manual box positioning.	`Ctrl` + `Arrow Keys`
Use the Network Diagram View Move to the leftmost or rightmost Network Diagram box in the project.	`home` and `end` respectively
Use the Network Diagram View Move to the top or lowest Network Diagram box in the view or project.	`Ctrl` + `home` and `ctrl` + `end` respectively
Use the Network Diagram View Move up or down one window height.	`page up` and `page down` respectively
Use the Network Diagram View Move left or right one window width.	`Ctrl` + `page up` or `ctrl` + `page down` respectively
Use the Network Diagram View Select the next field in the Network Diagram box.	`enter` and `shift` + `enter` respectively
Navigate views and windows Activate the Control menu.	`Alt` + `Space`
Navigate views and windows Activate the entry bar to edit text in a field.	`F2`
Navigate views and windows Activate the menu bar.	`f10` or `alt`
Navigate views and windows Activate the project control menu.	`Alt` + `-` (Hyphen)
Navigate views and windows Activate the split bar.	`Shift` + `F6`
Navigate views and windows Close the program window.	`Alt` + `F4`
Navigate views and windows Display all filtered tasks or all filtered resources.	`F3`
Navigate views and windows Display the Column Definition dialog box.	`Alt` + `F3`
Navigate views and windows Open a new window.	`Shift` + `F11`
Navigate views and windows Reduce a selection to a single field.	`Shift` + `Backspace`
Navigate views and windows Reset sort order to ID order.	`Shift` + `F3`
Navigate views and windows Select a drawing object.	`F6`
Navigate views and windows Display task, resource or assignment information.	`Shift` + `F2`
Navigate views and windows Turn on or off the Add To Selection mode.	`Shift` + `F8`
Navigate views and windows Turn on or off Auto Calculate.	`Ctrl` + `F9`
Navigate views and windows Turn on or off the Extend Selection mode.	`F8`
Navigate views and windows Move left, right, up, or down to view different pages in the Print Preview window.	`Alt` + `Arrow Keys`
Outline a project Indent the selected task.	`Alt` + `Shift` + `arrow right` and `alt` + `Shift` + `arrow left` respectively
Outline a project Show subtasks.	`Alt` + `Shift` + `=` or `alt` + `Shift` + `plus` (Plus sign on numeric keypad)
Outline a project Hide subtasks.	`Alt` + `Shift` + `-` (Hyphen) or `alt` + `Shift` + `-` (Minus Sign on Numeric Keypad)
Outline a project Show all tasks.	`Alt` + `Shift` + `*` (asterisk on the numeric keypad)
Select and edit in a dialog box Move between fields at the bottom of a form.	`Arrow Keys`
Select and edit in a dialog box Move into tables at the bottom of a form.	`Alt` + `1` (left) or `alt` + `2` (right)
Select and edit in a dialog box Move to the next task or resource.	`Enter`
Select and edit in a dialog box Move to the previous task or resource.	`Shift` + `Enter`
Select and edit in a sheet view Clear or reset the selected field.	`Ctrl` + `Delete`
Select and edit in a sheet view Cut, Copy, Paste selected data	`Ctrl` + `x` , `ctrl` + `c` , `ctrl` + `V`
Select and edit in a sheet view Fill down.	`Ctrl` + `D`
Select and edit in a sheet view Display the Find dialog box.	`Ctrl` + `f` or `shift` + `F5`
Select and edit in a sheet view In the Find dialog box, continue to the next instance of the search results.	`Shift` + `F4`
Select and edit in a sheet view Use the Go To command (Edit menu).	`F5`
Select and edit in a sheet view Link or unlink tasks.	`Ctrl` + `f2` and `ctrl` + `Shift` + `f2` respectivdely
Select and edit in a sheet view Reduce the selection to one field.	`Shift` + `Backspace`
Select and edit in a sheet view Undo the last action.	`Ctrl` + `Z`
Select and edit in a sheet view Move to the beginning or end of a project (timescale).	`Alt` + `home` and `alt` + `end` respectively
Select and edit in a sheet view Move the timescale left or right	`Alt` + `arrow left` and `alt` + `arrow right` respectively
Select and edit in a sheet view Move to the first field or last field in a row.	`home` and `end` respectively or `ctrl` + `arrow left` and `ctrl` + `arrow right` respectively
Select and edit in a sheet view Move to the first or last row	`Ctrl` + `arrow up` and `ctrl` + `arrow down` respectively
Select and edit in a sheet view Move to the first or last field of the first row.	`Ctrl` + `home` and `ctrl` + `end` respectively
Select and edit in a sheet view Move focus between the side pane and the view on the right side.	`Ctrl` + `tab` or `ctrl` + `Shift` + `Tab`
Select and edit in a sheet view Select different controls in the side pane if focus is in the side pane.	`Tab`
Select and edit in a sheet view Select or clear check boxes and option buttons if focus is in the side pane.	`Space`
Select and edit in a sheet view Update the Project Guide.	`Ctrl` + `R`
Select and edit in a sheet view Extend the selection up or down one page.	`Shift` + `page down` and `shift` + `page up` respectively
Select and edit in a sheet view Extend the selection down or up one row.	`Shift` + `arrow down` and `shift` + `arrow up` respectively
Select and edit in a sheet view Extend the selection to the first or last field in a row.	`Shift` + `home` and `shift` + `end` respectivewly
Select and edit in a sheet view Extend the selection to the start or end of the information.	`Ctrl` + `Shift` + `home` and `ctrl` + `Shift` + `end` respectively
Select and edit in a sheet view Extend the selection to the first or last row.	`Ctrl` + `Shift` + `arrow up` and `ctrl` + `Shift` + `arrow down` respectively
Select and edit in a sheet view Select all rows and columns.	`Ctrl` + `Shift` + `Space`
Select and edit in a sheet view Select a column.	`Ctrl` + `Space`
Select and edit in a sheet view Select a row.	`Shift` + `Space`
Select and edit in a sheet view Move within a selection down or up one field.	`enter` and `shift` + `enter` respectively
Select and edit in a sheet view Move within a selection right or left one field.	`tab` and `shift` + `tab` respectively
Select and edit in the entry bar Accept an entry.	`Enter`
Select and edit in the entry bar Cancel an entry.	`Esc`
Select and edit in the entry bar Delete one character to the left.	`Backspace`
Select and edit in the entry bar Delete one character to the right.	`Delete`
Select and edit in the entry bar Delete one word to the right.	`Ctrl` + `Delete`
Select and edit in the entry bar Extend the selection to the end of the text.	`Shift` + `End`
Select and edit in the entry bar Extend the selection to the start of the text.	`Shift` + `Home`
Select and edit in the entry bar Turn on or off Overtype mode.	`Insert`
Use a timescale Move the timescale left or right one page.	`Alt` + `page up` and `alt` + `page down` respectively
Use a timescale Move the timescale to beginning or end of the project.	`Alt` + `home` and `alt` + `end` respectively
Use a timescale Scroll the timescale left or right	`Alt` + `arrow left` and `alt` + `arrow right` respectively
Use a timescale Show smaller time units.	`Ctrl` + `/` (slash on the numeric keypad)
Use a timescale Show larger time units.	`Ctrl` + `*` (asterisk on the numeric keypad)