Auto Sum

`Alt` + `=`

All hotkeys for Zoho Sheet (Windows)

File Operations New File	`Ctrl` + `N` ( not supported in chrome and safari )
File Operations Open file	`Ctrl` + `O`
File Operations Save As File	`Ctrl` + `Shift` + `S`
File Operations Print File	`Ctrl` + `P`
Actions Undo last action	`Ctrl` + `Z`
Actions Redo last action	`Ctrl` + `Y`
Actions Repeat last action	`F4` (or) `Ctrl` + `Y` (or) `Alt` + `Enter`
Actions Filter	`Ctrl` + `Shift` + `L`
Actions Fill to The Right	`Ctrl` + `R`
Actions Fill Down	`Ctrl` + `D`
Actions Add / Edit cell note	`Shift` + `F2`
Actions Add / Edit Hyperlink	`Ctrl` + `K`
Actions Open VBA Editor	`Alt` + `F11`
Actions Run Macros / View Macros List	`Alt` + `F8`
Actions Insert a new worksheet	`Shift` + `F11`
Actions Insert Columns	`Ctrl` + `Shift` + `Plus`
Actions Insert Rows	`Ctrl` + `Alt` + `Plus`
Actions Cut	`Ctrl` + `X`
Actions Copy	`Ctrl` + `C`
Actions Paste	`Ctrl` + `V`
Actions Format Cells	`Ctrl` + `Shift` + `1`
Actions Find within spreadsheet	`Ctrl` + `F` or `F3`
Actions Replace	`Ctrl` + `H`
Actions Names Ranges	`Ctrl` + `F3`
Actions Toggle Auto Completion On / Off	`Ctrl` + `Shift` + `Q`
Actions Display the auto suggest list (Pick from List)	`Alt` + `Arrow Down`
Actions Insert the current time in cell	`Ctrl` + `Shift` + `;`
Actions Insert the current date in cell	`Ctrl` + `;`
Editing Insert Line Break in Cell	`Ctrl` + `Enter`
Editing Delete one character to left while typing in a cell	`Backspace`
Editing Delete one character to right/left while typing in a cell	`Delete`
Editing Focus Formula Field	`Ctrl` + `Shift` + `F`
Editing Cancel cell entry	`Esc key`
Editing Edit active cell	`F2`
Formatting Bold toggle for selection	`Ctrl` + `B` (or) `Ctrl` + `Shift` + `2`
Formatting Italic toggle for selection	`Ctrl` + `I` (or) `Ctrl` + `Shift` + `3`
Formatting Strikethrough toggle for selection	`Ctrl` + `Shift` + `5`
Formatting Underline toggle for selection	`Ctrl` + `U` (or) `Ctrl` + `Shift` + `4`
Navigate Data Region Down	`Ctrl` + `Arrow Down`
Navigate Data Region Up	`Ctrl` + `Arrow Up`
Navigate Focus Name Box	`Ctrl` + `Shift` + `N`
Navigate Move to next worksheet in a spreadsheet	`Alt` + `Arrow Right`
Navigate Move to previous worksheet in a spreadsheet	`Alt` + `Arrow Left`
Navigate Go to cell command	`Ctrl` + `G`
Navigate Go to last cell in data region	`Ctrl` + `End`
Navigate Go to first cell in data region	`Ctrl` + `Home`
Navigate Down one screen	`Page Down`
Navigate Up one screen	`Page Up`
Navigate Move to next cell in row	`Tab`
Navigate Move to previous cell in row	`Shift` + `Tab`
Navigate Select Data Region to the Left / to the Right	`Ctrl` + `Arrow Left` / `Ctrl` + `Arrow Right`
Shortcuts for Objects (Images,charts,buttons etc) Navigate to the next object	`Tab`
Shortcuts for Objects (Images,charts,buttons etc) Navigate to the previous object	`Shift` + `Tab`
Shortcuts for Objects (Images,charts,buttons etc) Edit mode	`F2`
Shortcuts for Objects (Images,charts,buttons etc) Return the focus to the active cell	`Esc`
Shortcuts for Objects (Images,charts,buttons etc) Cancel dragging the object	`Esc`
Shortcuts for Objects (Images,charts,buttons etc) Select/Focus the object	`Ctrl` + `Click`
Shortcuts for Objects (Images,charts,buttons etc) Move the selected object in the desired direction	`Arrow Keys`
Shortcuts for Objects (Images,charts,buttons etc) Snap the the object's left/top with the adjacent cell	`Ctrl` + `Arrow Keys`
Shortcuts for Objects (Images,charts,buttons etc) Snap the the object's right/bottom with the adjacent cell	`Ctrl` + `Shift` + `Arrow Keys`
Selection Select Data Region to the Left/ to the Right	`Ctrl` + `Shift` + `Arrow Left` / `Ctrl` + `Shift` + `Arrow Right`
Selection Select Data Region Up/down	`Ctrl` + `Shift` + `Arrow Up` / `Ctrl` + `Shift` + `Arrow Down`
Selection Select from current cell to the first cell A1	`Ctrl` + `Shift` + `Home`
Selection Select from current cell to the last cell in the data region	`Ctrl` + `Shift` + `End`
Selection Select from current cell to the first cell in the same row	`Shift` + `Home`
Selection Select from current cell to the last cell in the same row	`Shift` + `End`
Selection Select whole spreadsheet	`Ctrl` + `A`
Selection Select column	`Ctrl` + `Space`
Selection Select row	`Shift` + `Space`
Formula related shortcuts Toggle Expand and Collapse of Formula Bar	`Ctrl` + `Shift` + `U`
Formula related shortcuts Insert Array Formula on a range of cells	`Ctrl` + `Shift` + `Enter`
Formula related shortcuts Select the range of array formula cells surrounding a cell	`Ctrl` + `/`
Formula related shortcuts Start a formula	`=`
Formula related shortcuts Recalculate Formulas	`F9`
Formula related shortcuts Toggle absolute and relative references	`F4`
Formula related shortcuts Auto Sum	`Alt` + `=`
Formula related shortcuts Show Function Dialog Box	`Shift` + `F3`