Google Drive, Microsoft OneDrive, and Dropbox all solve the same basic problem, but the right choice depends heavily on what software you already use every day, not on which one has the biggest headline storage number.
If your work already lives in one ecosystem
If you’re already using Google Workspace or Microsoft 365 daily, that alone usually settles the decision. Google Drive integrates natively with Docs, Sheets, and Gmail; OneDrive integrates natively with Word, Excel, and Outlook. Fighting your existing ecosystem to use a third-party cloud drive usually costs more time than it saves in storage flexibility.
Dropbox’s advantage is being platform-neutral
Dropbox doesn’t push you toward a specific office suite, which makes it a reasonable pick if your team uses a mix of tools, or if you specifically want a storage layer that isn’t trying to also be your document editor. Its file-sync reliability across large folders and slow connections has also historically been a strength.
Collaboration features are closer than they used to be
Real-time co-editing, comment threads, and version history are now solid across all three services. The differences that remain are mostly about interface preference and how deeply those features integrate with the other tools your team already relies on.
Storage pricing is not as simple as the sticker price
Compare pricing at the tier you’d actually use, not the cheapest entry plan, since jumping from the base tier to enough storage for real use often changes the relative pricing between providers. Family and business plans in particular vary a lot in per-person value.
Practical recommendation
Pick based on your existing document tools first, storage price second, and only weigh Dropbox’s platform-neutral approach heavily if your team is already split across Google and Microsoft tools.