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Written By Rohit Singh
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Published on February 6th, 2021
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Updated on November 29, 2021
Microsoft Outlook cannot expand the folder 2016 error code occurs when someone is installing, pasting, sending, receiving, updating, etc. in different versions of MS Outlook such as 2007, 2010, 2013, 2016, etc.
Outlook can focus on the message that is important to you. Also, it helps to manage your calendar to schedule meetings. Also, the performance depends on the Internet. The Outlook includes two different formats such as OST and PST. You can also fix the Outlook Search Not Working Issue.
Here, I have mentioned some causes for the “Cannot expand the folder. The set of folders cannot be opened.” error. Also, I have broached some solutions to fix this error. You can follow them as mentioned below.
After following the above solution, you can solve the problem. If you are facing any problem, then you can follow other solutions.
By following the above solutions, you can delete all temporary files.
This solution helps you to delete all temporary files that are related to the users. If you are facing any problem, then you can use another solution mentioned below.
After following the above solution, you can clear all junk using the disk cleanup command.
If your OST file is corrupted, then you have to delete your OST file. After that, restart your Outlook. It will automatically create your OST file again. To overcome this problem, I recommend using a third-party tool. It can help you to convert your corrupt OST directly to PST, MBOX, EML & MSG Formats in an offline mode. Also, this tool provides the safest conversion from OST into Outlook PST.
Cigati OST Converter helps to import all OST files such as Emails, calendars, notes, etc. to the Outlook PST format. It helps to maintain the data integrity at the time of an offline OST file conversion. Also, this tool has an advanced search option. It helps the users to search OST files from the system. You can also preview your OST file before saving it to new files using the preview option.
The corrupt OST and PST files lead to the problem that cannot expand the folder Outlook 2016 public folders. Many users were facing this problem. To solve this problem, I have mentioned some causes and solutions to solve the query. Also, there are many limitations. You can refer to them as mentioned above. To overcome these limitations, you can refer to the third-party solution ie. OST Converter tool.
About The Author:
Rohit Singh is an Email Backup, Recovery & Migration Consultant and is associated with Software Company from the last 3 years. He writes technical updates and their features related to MS Outlook, Exchange Server, Office 365, and many other Email Clients & Servers.
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