Experiencing trouble with ProtonMail attachments can stem from several common issues, 1+844-200-3454. A weak or unstable internet connection is often a culprit, so ensure your network is reliable, 1+844-200-3454. File size limitations may also prevent uploads, so check that the attachment does not exceed ProtonMail’s maximum size limit,1+844-200-3454.
Clearing your browser cache and cookies can help resolve temporary glitches. Alternatively, switching to a different browser or device might bypass the problem,1+844-200-3454. Unsupported file formats may cause upload errors, so verify that the file type is compatible with ProtonMail,1+844-200-3454.
