Make Proton products work when offline
Please make the different products work offline.
The two I currently have issues with are the Mail and Pass.
Often times I need access to those when I do not have internet access.
Other companies manage to create a synced email client (gmail) or synced password manager (LastPass).

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Swapnil Takalkar commented
For Mac, the offline access is not available by default. I have a paid Proton Mail Plus subscription and don't have offline access to Proton Pass, which sometimes makes it unusable. Please provide offline access across all tiers - it is a necessity and not a privileged paid feature.
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Jeroen commented
Same here, but also re. Drive. Before my (frequent) travel for work to remote areas in Central America I have to download my whole workfolder to the local HD, in order to have access to my work in areas without internet connectivity, and then upload/sync it again when back from travel. Not very efficient (nor secure). Pass' offline functionality doesn't work on my computer for some reason (have tried it several times). I'm a big fan of Proton and its mission, but for me this is basic functionality that is missing if I can't access my own information when and where I want to.