Cannot attach files to email in Outlook.com or Desktop app [Fixed]

Cannot attach files to email in Outlook.com or Desktop app [Fixed], this article might help. Many people face this issue when sending a file as an attachment via Outlook. It doesn’t matter if you’re using Outlook.com or the desktop app, you can follow these steps to troubleshoot the issue. There are some things you must do to send a file via Outlook. Sometimes you need to bypass the rules to send something urgently. At such a moment, these tricks will be handy for you.

Cannot attach files to email in Outlook

Related post: Something went wrong, 0x80190005 – Outlook error on Windows 11/10

If you’re having trouble attaching files to your email in Outlook.com or the Microsoft Outlook app, try these suggestions.

  1. Verify the file size
  2. Compress the attachment in a ZIP file
  3. Change sharing preferences
  4. Change or update browser

1] Verify the file size

Almost all email providers have one thing in common – limited attachment size. Therefore, it is important to check the size of an attachment before trying to add or upload it. The attachment size in Outlook can be increased to accommodate larger files.

2] Compress the attachment in a ZIP file

Although Outlook allows users to send files to anybody, there are some restrictions on file size and certain file types with suspicious extensions. This is for security reasons, as many people have had issues simply by downloading an attachment to their computer. If you are trying to send a valid file but Outlook is blocking you, the only solution is to create a .zip file containing the original file. You can then send it to anyone via Outlook.

3] Change sharing preferences

If you’re having trouble attaching files in Outlook, you can try changing your sharing preferences to see if that resolves the issue. It’s easy to change your sharing preferences in Outlook.com when you’re sending an email. To get started, open the Settings panel and go to Mail > Attachments. By default, your sharing preference is set to “Ask me how I want to share them every time.” However, you can change it to “Always share them as OneDrive links” or “Always share them as copies.”

After you save your changes, try to send a file to someone.

4] Change or update browser

It is recommended to update your browser to the latest version. If that does not work, try changing your browser. Sometimes an extension or security plugin may be blocking the upload process.

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