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Written By Suman Rawat
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Updated on May 10th, 2025
Summary: A Shared Mailbox in Outlook is a unique post box that various users can access to send or get emails in an organization. The Shared Mailbox gives common access to all mail items, including the schedule that permits all approved users who approach the Shared Mailbox to timetable and view schedule assignments and items. In this post, we will mention the best possible ways to fix the Outlook shared mailbox not updating error. However, there are two different mailboxes one is for the user mailbox, and another is for the shared mailbox. The OST files are linked together, which significantly increases the OST file size and causes the performance issue. Oversizing can also cause integrity issues, leading to synchronization issues, outdated Shared Mailbox, etc.
In the below section, you will find the multiple causes behind the error and the possible ways to fix them. At last, we will share how to fix the error professionally using the OST Repair Tool. Download Now Purchase Now
There could be multiple causes behind the Outlook shared folder not updating issue. Some of them are listed below:
These are the reasons due to which users face the Outlook additional mailbox not updating error. Now, let’s proceed further to know the multiple solutions behind the error.
In the below section, we have shared the methods to fix the Outlook shared inbox not updating issue. Follow the steps carefully.
To update the shared mailbox manually, you need to perform this operation every time. If you want to fix the problem permanently, you have to enable the automatic sync if it is not enabled.
Now, close all the dialog boxes and again restart your Outlook application.
It helps you to disconnect the shared mailbox. Now, to reconnect it again to fix this Outlook mailbox closing issue. You need to follow the below-listed steps carefully.
After recreating the OST file, if you still find missing emails, you can convert the OST file backup to the PST file and then import the converted PST to your Outlook account using the ImportExport wizard.
OST Repair Tool is a user-friendly tool that recoveres and repaires corrupt and damaged OST files. It is a useful solution for the users by which they can recover their OST data to PST format by preserving the data integrity. It also converts OST to PST, EML, MSG, MBOX, and many more. The software is also inbuilt with multiple features such as preview feature, fast scanning mode, recovery and conversion mode, etc.
In the above post, we have mentioned the step-by-step process to fix Outlook shared mailbox not updating error. If the above method doesn’t work, you can try the alternate method i.e, using professional software. Sometimes the error arises due to the corrupt or damaged OST file. In such cases, opting for the professional approach is the best solution to fix the problem.
About The Author:
Suman Rawat is a technical content writer and expert in the fields of email migration, data recovery, and email backup. Her passion for helping people has led her to resolve many user queries related to data conversion and cloud backup.
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