“Removed attachment of banned mimetype” means that an email or messaging app has automatically deleted a file attached to your message because the file’s type is considered unsafe or not allowed. The system simply strips it out before anyone can open it.
In everyday life, this shows up when you try to send a friend an .exe game file or a macro-filled spreadsheet via Gmail or WhatsApp. The app quietly drops the attachment and leaves a short note saying it was removed for safety. You see the message, but the file never arrives on the other side.
Meaning & Usage Examples
Gmail: You attach “budget.xlsm”; Gmail removes it and writes “Removed attachment of banned mimetype.”
Company chat: You drag in “setup.msi”; the system blocks it and displays the same warning.
Mobile messenger: You forward a .apk file; the app strips it and shows a similar message.
Context / Common Use
This warning appears most often on corporate email servers, school accounts, and consumer services like Google, Microsoft Outlook, or WhatsApp. Admins set filters that block risky file types—executables, scripts, or macro-laden documents—to stop viruses and malware. The message is the system’s polite way of saying “I kept you safe, but your file didn’t make it.”
Can I still send the file another way?
Yes. Zip it with a password, rename the extension, or use a cloud link (Google Drive, Dropbox) and share the link instead.
Which file types are usually banned?
Common ones are .exe, .bat, .js, .vbs, .scr, .msi, and macro-enabled Office files like .docm or .xlsm.
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