Every transfer you send on WeTransfer comes with a built-in preview page. Recipients can open your spreadsheets directly in the browser, review the data, and download only the files they actually need — no account required on their end, nothing to install.
Browse files and folders, then download
When you share spreadsheets with colleagues, clients, or collaborators, asking everyone to download a full transfer just to check one file creates unnecessary back-and-forth. WeTransfer gives each transfer its own preview page, so recipients can open and read your Excel or CSV files in the browser before committing to a download. From that same page, they can mark individual files as favorites and leave comments tied to specific files, keeping feedback in one place rather than scattered across emails. Every spreadsheet you upload is delivered exactly as you prepared it, with no changes to formatting, data, or file quality. A free account is all you need to start sending.
Our features are designed to minimize how much of your data we — or anyone else — can access, so you can keep what's yours, yours.
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Give people simple tools, and they'll do extraordinary things. Ultra-fast file transfers, built-in customization, easier team collaboration. That's the magic of WeTransfer.

Move your ideas forward
Share content with a unique link, give anyone a free pass to send you 200 GB files, and stay in control of transfers — even after you hit send.

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With tools designed to enhance collaboration, get everyone in your team talking and moving as one, without disrupting their workflow.

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From password protection to file encryption, WeTransfer has all the built-in security features you need to safeguard your work.
All your questions answered.
Yes. WeTransfer's preview page lets recipients view supported file types — including spreadsheets in formats like XLS, XLSX, CSV, ODS, and others — directly in the browser. They can check the content before deciding whether to download, and they don't need a WeTransfer account to do it.
Yes, comments are available on all plans. Anyone with access to the transfer can open the preview and leave a comment on a specific file, so feedback on a particular sheet or report stays attached to that file rather than floating in a separate message thread. If a recipient isn't logged in, they just enter their name and email address to comment — no account needed.
Exactly. You can include as many files as you like in a single transfer, and recipients choose what to download from the preview page — either individual files or everything at once. That means a colleague reviewing a set of budget sheets, reports, or data exports can grab the specific files relevant to them without downloading the rest.
No. WeTransfer sends files exactly as you uploaded them, with no compression, no conversion, and no changes to the original. Your formatting, formulas, and data arrive intact, and recipients download the same file you started with.
You can restrict access to specific email addresses, so only the people on your list can open the transfer after verifying their identity. Alternatively, you can enable tracked downloads, which lets anyone with the link access the files after email verification while you see exactly who downloaded and when. Both options are available on all plans and can be set before sending or updated from your transfers panel afterward.