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Proton Mail & Calendar

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  1. Separation of Proton and Custom Domain Mailboxes

    Currently, Proton email addresses and custom domain addresses share the same mailbox view, which mixes all emails together. This approach feels unintuitive and makes it harder to manage communication across different identities.

    I would prefer the ability to separate custom domain email accounts from Proton accounts into distinct mailbox views (or “drawers”). While it’s possible to use filters and folders as a workaround, this requires manually duplicating structure (Inbox, Sent, Drafts, etc.), which quickly leads to a cluttered sidebar and added maintenance overhead.

    Would you consider introducing an option to define how email addresses are grouped within the interface? For…

    5 votes

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  2. Ajouter au calendrier la possibilité d'indiquer un temps de trajet pour les différents évènement

    Proton Calendrier : Indiquer un temps de trajet qui sera visible avant les évènements pour permettre une meilleure organisation.

    2 votes

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  3. Do you experience any specific sync delays

    Do you experience any specific sync delays with time-sensitive verification emails or calendar notifications when traveling across different regional networks?

    2 votes

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  4. Time-tracking Calendar Integration

    One missing feature from the Proton Suite is a Time-tracking layer integrated in the Calendar app.

    It would be a handy feature to toogle on/off alongside your planned schedule, in order to track the real time invested in your projects, get records and overviews, and be able to learn from them and improve your workflow. All with the same level of privacy and encryption of the other features.

    Right now Proton users still depend on external apps to track their time, which don't integrate in the Proton ecosystem nor offer the same kind of data security. More on the contrary,…

    3 votes

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  5. Filter Categories/Sub Filters

    When adding entries into a filter, allow to create sub filters. This would be useful if: The domain has multiple addresses, and they could be filtered to go where they need to go. You could keep the max 50 main filters, but you could have a higher limit of sub filters. You could also create Filter categories, where you could add various domains. This would be similar to sub filters, but you could define/have more granular control of where this and that mail can go. It could also be a simple way to know what those addresses for.

    14 votes

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  6. Automatically prompt to file sent emails

    Automatically prompt to file sent emails. It would be very useful to be able to file sent emails as they are sent. An option to prompt sent emails as they go would help keep important emails received and sent in the same place.

    2 votes

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  7. Partner with Signal for a messaging, calling, video app

    If Proton could partner with Signal so that both customer bases could communicate with each other with messaging, voice, and video. One of the biggest limitations with private messaging is whether or not the people you want to communicate with have the same technology. Expanding the customer base would benefit the customers of both groups. Signal has a mature product running on all of the major platforms. Proton could offer international hosting, which would limit government throttling like we've recently seen with Telegram. It would seem like Signal and Proton could find common ground that benefits both of them and…

    4 votes

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  8. Overnight events

    While traveling, it is important to know at what accommodation you sleep at night. These are events that span two days (or if staying a longer time, multiple nights). Is there a way to mark these kinds of events in the calendar? Especially useful if it can be clearly visible from the calendar overview that there is a lack of such a night-spanning event (i.e. one night one has not yet planned a place to stay).

    Currently, on the Android app, we see by the number of dots below a date how many events are there.

    To indicate the presence…

    4 votes

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  9. Layout Row with Preview

    Add Preview pane for Row layout!

    15 votes

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  10. Double-tap email to auto zoom

    It would be nice if double-tapping the email body/text in the Proton Mail app for Android would auto zoom the text width to fit the display area. Similar behavior can be seen when viewing a PDF file with Google Drive. This would certainly improve usability and the overall user experience with Proton Mail.

    5 votes

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  11. Native "Free/Busy" Website Embed (Bypassing Google)

    Dear Proton Team,

    I am a dedicated Proton user relying on your services for privacy. However, I am facing a major hurdle in using Proton Calendar for my business workflow.

    The Problem: I need to display my availability to clients on my website (e.g., Wix, WordPress). Currently, there is no native way to do this. The only workaround is sharing an ICS link to Google Calendar and embedding that. This fails for two reasons:

    Sync Latency: Google updates subscribed calendars very slowly (up to 24 hours delay), leading to double bookings.

    Permission Conflicts: Google treats subscribed Proton calendars as "read-only"…

    9 votes

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  12. Address book with Android

    Hello. I was wondering when you will address the issue of compatibility of the address book with Android. The philosophy linked to the replacement of invasive and tracking Google apps cannot ignore making your alternative apps available and contacts are an essential option. It seems to me that the request has been made for some time but nothing new under the sun. I understand other difficulties such as the inconsistency between the web and app versions of your products but, at least the use of the address book, seems to me to be something essential

    29 votes

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  13. Set Proton Mail as default mail application on Windows

    Make it possible for Proton Mail desktop application to be selected as the default email application so when you press email links it opens the Proton Mail app instead of the Windows one or the browser version.

    608 votes

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  14. Booking Page - Sync availebility from my calendar

    I do photography on my free time, therefore my booking page might have availibility from 4pm to 10pm on weekdays and 10am to 6pm on weekends. I would like to have the option to sync my standard calendar into the availibility on the booking page.

    That way any meetings with friends etc. I have set in my calendar will automatically block the time in the booking calendar. In addition i want the option to then also block a selcted time before and after to make sure I can make both appointments.

    3 votes

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  15. add signature picker in the email composer

    It would be really helpful to have a signature selector directly in the email composer.

    I frequently need to insert my signature manually — especially when replying to emails or using accounts that don't have a default signature set. I also often want to switch between different signatures depending on the context (for example, using a project-specific signature instead of my standard one).

    Adding a button in the composer that lets me choose from a list of saved signatures would solve this friction completely. This is a very common and well-established feature in most modern email services (Gmail, Outlook, Fastmail,…

    4 votes

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  16. Filter search ability

    When searching through the proton mail filters, you could search and see if you have duplicate entries, or say you want to add an entry to an existing filter, but are unsure if you may already have it already.

    16 votes

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  17. Reply, Reply all switching

    When already composing an email, I'd love to easily switch between reply and reply all.

    Currently I need to manually copy all emails or start composing an new email, copying over the contents.

    2 votes

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  18. Quick Reactions to Emails

    It would be great to have a feature similar to message reactions in chat apps, for example, being able to quickly tap an icon (like 👍 or ❤️) to react to an email without writing a full reply.

    Microsoft Outlook already includes this, and it’s great for acknowledging messages or quick feedback without having to write a full reply.

    For Proton Mail users, the reaction could appear inline (e.g., “Recipient liked this email”).
    For other email providers, Proton could send a short, automatically generated message such as:
    “[Username] reacted to your email with 👍.”

    12 votes

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  19. Possibility of defining different time zones for start and ending of event

    Time indications on e.g. a flight ticket always refer to the local airport. When adding this event to the calendar, it would be much more convenient to be able to define the time zones for the start and ending of the flight/event. This feature is already included in all other calendars out there

    7 votes

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  20. Soft wrap in email composer

    It's 2026 and Proton Mail still doesn't have a simple text wrap or line-width setting in the web composer. I'm writing on a large monitor, and when I compose emails, the text stretches across my entire screen. It's hard to read and makes editing paragraphs frustrating.

    This is not an advanced feature request. Line wrapping or the ability to constrain the compose area width is fundamental functionality that should exist in literally any email client. Gmail, Outlook, Apple Mail — all of them handle this without complaint.

    I understand Rich Text mode wraps to the window edge, but that doesn't…

    2 votes

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Proton Mail & Calendar

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