Overview
Users may see the following error message when an attachment fails to download: “Error downloading the file content."
Symptoms
Users attempting to download attachments and viewing embedded images in Outlook on the web may be intermittently impacted.
Error Code
Work-Around
As a potential work-around, downloading attachments and embedded image viewing may succeed after an affected user signs-out and then signs-in again to Outlook on the web, if appropriate.
Additionally, users can download attachments and view embedded images consistently through the Outlook desktop client, if available.
Cause (If Known)
A recent update, intended to improve the reliability of Outlook on the web, contains a code configuration issue that's causing long running sessions, preventing attachment downloads and embedded image viewing.