

Step 3: Use the Quality slider to compress the picture or video.

Step 2: Select File at the top and click Export. Step 1: Launch Finder and open the video or image using the default Preview menu. If the media file size is indeed larger than 25 MB, you should compress it using the Mac Preview. Step 4: Check file size under the General menu. Step 3: Select Get Info from the context menu. Step 2: Find and right-click on a file you want to send over Outlook. Here’s how you can check file size on Mac. If you try to send a large file over Outlook, you will continue to face errors. Outlook and Gmail email providers limit attachment size to 25 MB only. If the issue persists, move to other troubleshooting tricks. Open Outlook again and send attachments without any problem.

Click ‘x’ mark at the top to close the app. Step 2: Select Microsoft Outlook from the list. Step 1: Press the Command + Space keys and search for Activity Monitor.

You should connect to a 5GHz Wi-Fi network and send attachments on Outlook.īefore we move to advanced tricks to fix the problem, you should force restart Outlook and try sending the attachment again. Click Control Center at the top and enable Wi-Fi on your Mac. You should ensure a robust Wi-Fi connection on your Mac. If your Mac is facing network issues, Outlook won’t send attachments. Instead of settling with a below-average web client, use troubleshooting tricks to send emails with attachments. But nothing beats a native Outlook experience on Mac. You can always move to Outlook for the web to complete the job. If you frequently face the same, here are the ways to fix Outlook not sending attachments on Mac. Sometimes, Outlook fails to send attachments with an email. Microsoft has done a solid job with a native Outlook app on Mac. Although the default Mail app has improved with the latest macOS Ventura update, most users prefer Microsoft Outlook to handle emails.
