Sep 25, 2020 Turning Off Cached Exchange Mode in Outlook Open Outlook, and from the tabs at the top click on File. Select the Account Settings drop down menu and then click on the Account Settings options. From the Account Settings double click on your email address. Under the Offline Settings header in the. No, Administrator permissions did not allow me to turn off cached exchange mode. The regedit instructions above were fine, except that there is no OST key entry for Office 16 (365 subscription). I have to change data files since I don’t use hotmail calendar or contacts.
If 'Download shared folders (excludes mail folders)' is checked in Outlook, it should be disabled. Delegates should be working with calendars in real time and should not cache copies of resources on their computer which can result in slow performance of Outlook and/or become unresponsive. To disable this setting you need to do the following
Ugra Narayan Pandey | December 7th, 2019 | Data Recovery
The Cached Exchange mode provides a better user experience while using an Exchange account. In Use Cached Exchange Mode, a copy of the mailbox is stored on the local machine. This facilitates the user to quickly access the data. Also, the data is updated with the server which runs Microsoft Exchange. Some points to be noted down are:
After performing the below mentioned manual method to resolve cached Exchange mode grayed out in Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003 and below versions, opt an Outlook OST Recovery Tool to Repair OST File.
There are various reasons when Use Cached Exchange Mode is grayed out. Some of the factors are stated below:
A user has to go through the following set of instructions to enable the cached option:
“Outlook 2013 started generating a lot of NST files, around 183. This leads to improper working of Outlook and degraded its performance factor. I tried deleting them, but Outlook recreates them every time I open it. These files appear in the same folder as PST. It means the generation of NST file does not occur in the new profile. For that time, the problem is solved. But, I want to know what is NST file and how to repair them? I came to know that these files have something to do with Lotus Notes. Please help me.”
Microsoft Outlook users are aware of PST and OST file. But, they do not have much knowledge about NST file. NST is also a storage file in Outlook 2019, 2016, 2013, 2010, and 2007. NST file is automatically created in Microsoft Outlook under 2 possible scenarios:
The NST file consists of all mailbox data like emails, address book, tasks, etc. The data of NST file is also stored on the local system where Outlook is synced with Office 365 account.
The NST files can be repaired in case, they are damaged. To repair the NST file, the .nst file extension is replaced by .ost extension. The OST file can be fixed with the help of third party tool named as SysTools OST Recovery. This automated tool will resolve all the issues of NST file and provides an option to save NST file in various formats.
Follow these steps to change the extension of .nst file to .ost:
Once the extension has been changed, recover the corrupted Outlook offline data file.
Use Cached Exchange Mode is an option which makes the experience of the Exchange Server far better. In case, the feature is grayed out, users can enable it with the help of steps explained in the post. Another issue faced by the user is regarding NST file. The post also explains how to remove corruption in NST file and what is NST file all about.