A spreadsheet is not a document. It is a grid, and that changes how voice fits into it. Dictation can fill a cell, but Dictato has no command that moves you to the next one. So the loop is: your voice fills, your keyboard navigates. Speak the entry, move to the next cell with the keyboard, speak the next. Once you accept that rhythm, dictating fifty rows of notes stops feeling like a fight.
Two vendor pages are worth reading before you start. Google’s help page says voice typing works in Docs and in Slides speaker notes; Sheets is not mentioned. Apple does publish a Numbers user guide page for using dictation to enter text in Numbers on Mac, so that path is supported behavior.
Dictate in Excel on Mac: words by voice, figures typed
Split the work by column. Wordy columns are where voice pays off: notes, descriptions, comments, expense labels, meeting log entries, anything you would otherwise thumb out one row at a time. Columns you intend to total are better typed.
Dictato does turn spoken amounts into figures on its own, no setting involved, though that conversion covers English and French only; pinned to another language, spoken numbers stay spelled out. It is worth reading how that works in dictating numbers, dates and currency before you rely on it. Two details matter in a grid: there is no thousands separator, so twelve thousand five hundred arrives as 12500, and small bare numbers stay spelled out, so “three” stays “three”.
Check your first few cells
Dictation tools are built for prose, and it shows. Dictato finishes a take the way you finish a sentence: it capitalizes the first letter, strips fillers and stutters, and rounds the take off with a period and a space. In a paragraph that is correct. In a cell it is a habit to know about, because a spreadsheet often cannot be read by the app in a way that would tell it to hold the period back.
So do this once, at the start: dictate three or four cells, then look at exactly what landed before you point a SUM or a lookup at that column. The app does not check that the paste arrived either; if a cell stays empty, the text is still in the app’s history.
Never dictate a formula
Formulas and cell references are faster and safer typed. “Equals sum open paren B2 colon B40” is not a sentence. Type the formula, dictate the prose.
The front app rule, and per-app profiles
Dictato pastes into whatever app was in front when the take started, and where the cursor already sits, so a browser tab and a native app are the same case to it (how that works). Click into a different app mid-take and it will not paste at all, it shows you the text in a preview window instead.
And if you turn profiles on, a per-app profile can be pointed at just that app, or at one site’s address in Safari, Chrome and several other browsers, though in Firefox only browser-wide (per-app profiles).
One thing works in your favor here: anything under 20 characters or under three words never reaches the AI, even once you have switched it on.