Gemini now lets you edit your files right in the chat

Google's short announcement says you can generate, preview and edit files right in a chat, expand them to full screen to type your own changes, highlight text to ask a question, or have Gemini make the fix. The Workspace Updates post from the same day gets more specific:

• Slide decks: Gemini can draft outlines or slide content and preview the layout in the chat. You edit it yourself or ask for a different tone and structure, then open the deck in Google Slides or download a PPTX or PDF.
• Spreadsheets: it can build trackers, tables and data models from a prompt, preview them, and open them in Google Sheets.
• Documents and PDFs: it can draft PDFs, Google Docs, LaTeX, Markdown and TXT files, take typed or prompted edits, and upload all of them to Drive.

One catch before you plan to fix a proposal from the parking lot. PDF preview and editing work on web and mobile. Everything else (documents, spreadsheets, decks, Markdown, TXT and code) is web only.

Google's own example is a student turning handwritten lecture notes into a PDF study guide. Not exactly a marketing emergency, but the useful part is the same: rough material goes in and an editable file comes out.

File creation isn't new. Google added it in April, covering Docs, Sheets, Slides, PDF, Word, Excel, CSV, LaTeX, plain text, rich text and Markdown. April's announcement was about getting a file out of the chat. October's is about staying in the chat to fix it.

The wrong price on page three is rarely a big job. It's a small edit, and small edits are what used to send you to another app. Now you can fix it without leaving the chat.

Google also gave no numbers here: no usage figures, no quality tests, no time saved. Anyone promising you a specific number of hours back from this feature is doing their own math.

The Workspace post says there is no admin control for this feature. The admin choice is turning the Gemini app on or off. It's available now on both Rapid Release and Scheduled Release domains, for Workspace customers, Workspace Individual subscribers and personal Google accounts.

So if your company uses Gemini, your team already has this, whether or not anyone held a meeting about it. And there's a risk in the format itself. A chat reply looks like a draft. A formatted PDF looks finished. Google's privacy hub warns that AI like Gemini can present inaccurate information as fact, and that warning doesn't go away because the error now has nice margins.

Gemini's release notes add a useful piece. Skills, released September 30, are saved instructions that Gemini can run on its own when a prompt matches, and Google's example stacks a writing style skill with a brand guidelines skill. On October 13, Google added a Customize menu for managing skills and connected apps. Skills are currently limited to users 18 and over, and they'll soon replace Gems, with existing Gems moved over automatically.

Neither October 29 post says how skills behave when Gemini generates a file, so don't assume your rules carry through. Test it.

Marketing insight: Turn your brand guide into a skill and try it on one real deck this week. If it can't hold your tone and your approved claims, you want to find out before your team starts sending files.

On a personal account, the Gemini Apps Privacy Hub says human reviewers look at some of the data Google collects, and it asks you not to enter confidential information you wouldn't want a reviewer to see. Turning off Keep Activity stops future chats from being reviewed to improve Google services, and temporary chats aren't used to improve Google AI with help from human reviewers. Even with that setting off or in a temporary chat, Google still uses chats to respond to you and to help protect Google, its users and the public, including with help from human reviewers.

On a qualifying Workspace account, the Workspace privacy hub says chats and uploaded files in the Gemini app won't be reviewed by humans or used to train generative AI models without your permission.

So the same sales deck can land under very different rules depending on who is signed in. Your pricing sheet shouldn't end up in someone's personal account just because that tab was already open. If a file holds patient or client details, ask whoever handles your compliance before anyone uploads it.

• Start with one low-risk file. Try an internal tracker or a rough campaign outline, then compare the draft to what you'd actually send.
• Write the review rule. Decide who checks facts, prices, claims and names before an AI-drafted file leaves the building.
• Set the account rule. Company files go in company accounts. One sentence, in writing, is enough.
• Build one brand skill. Put in your tone, your approved wording and the claims you can't make, then test it.
• Open the export before you send it. Check the PPTX or Google Slides version yourself. Your customer won't be reading it in a Gemini preview.

That goes for your competitors too. Your offer is exactly as clear as it was last week, and your facts are exactly as true. Tidy pages just got faster to make, so soon they'll be everywhere.

Want help setting the rules for how your team uses AI? Talk to our founders below. See you in the next edition.