Outlook failed to update headers
Microsoft Outlook, one of the many platforms provided by MS is one of the most well-known email service providers along with other services like storing information, data, setting up appointments and reminders for it, contacts, and messages.
Not just that it also helps one to get direct access to other Microsoft apps such as Powerpoint, Word, Excel, Notes, etc. right from outlook without any hassle which also helps them deal with their schedule effortlessly.
They also let the customer manage things efficiently from their end with easy tools to provide them with a smooth experience as promised.
However, sometimes even the best services can fall short and have issues. A part of life that is unavoidable. If one ever receives the notification which says Outlook failed to update headers means that one is in a little trouble. But with trouble and issues also come solutions.
Many people mentioned how this message of Outlook failed to update headers occurred when they upgrade their windows operating system and people complain about how they are unable to view or get access to their information and data anymore.
The header is usually attached with the details of the mail and can create an issue if it is not being able to pass through the information.

Main Causes Of Outlook failed to update headers
- One of the major causes for this could be that the system hardware was unable to store or transfer data from the Personal folder file, also commonly known as the PST file in Outlook due to which the email was not accessible or in worst-case scenarios, got corrupted.
- For the reason mentioned above, there are also cases where the files either end up turning corrupted, lost, or damaged.
- Chances could also be that one has anti-virus software installed which is creating this issue that mentions outlook failed to update headers boldly.
- Another very famous reason or cause for this as mentioned by the people is that they recently upgraded their window system and after it is done, they are unable to access their emails on outlook.
- Headers could also be prevented from being updated due to firewall settings.
- There could also be the issue of exceeding storage limits.
- Simple yet worrisome issues of network failure or bad internet connection could be the reason for Outlook being unable to update headers.
- One closed their outlook account in rush and chaos while the system was still running due to which this abrupt issue occurred.
How to fix Outlook failing to update headers
Now that we have encountered one of the most possible reasons or causes why our outlook is behaving in that particular way, let us jump to the saving grace that is techniques and tricks to fix this issue at home-Fix 1: Deal with the anti-virus and firewall settings-
Temporarily try to disable the anti-virus and review the firewall settings from the particular account and see if it works in fixing the issue. If you are using the Malwarebytes anti-virus then there some simple steps to fix the real-time protection.
Fix 2: Repairing PST file-
Repair the Personal folder file or the PST file which should be resolved after one visits the C drive of the computer and then scan PST file in program section, after which try to select the file due to which the issue occurred and press start, if the certain file was the issue then it should automatically fix the error occurred.
Fix 3: Check the device and the connections-
After possible attempts, try to refresh and restart the device. Check thoroughly if the connection is good and updated whereas the network settings are not lagging from somewhere. If you are facing a problem with your Macbook, then here is our Macbook Tech Support.