Adjustable Sidebar Width in Proton Mail
I would like to suggest a new feature (or improvement) for the Proton Mail interface: making the sidebar width adjustable.
Currently, the sidebar has a fixed width, which can be problematic for users who organize their emails using folders with longer names. These names often get truncated, making it difficult to quickly identify folders. For users who rely on a structured and professional email organization, full folder visibility is essential.
Allowing users to manually adjust the sidebar width would significantly improve usability and enhance the overall experience. This feature would not only benefit Proton Mail but could also be applied across other Proton apps, providing a consistent and user-friendly experience throughout the ecosystem. Many modern email clients and productivity tools already offer this flexibility, and it would be a valuable addition to Proton's suite.
I’d love to hear what others think about this idea! Feel free to share your thoughts and leave a vote if you support this suggestion.

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Clemens commented
This would be amazing :D