Last updated on January 23rd, 2023 at 07:21 pm

Local Cache is one of the main reasons behind the occurrence of several Outlook errors. For resolving those issues users requires to reset Local Cache in Outlook. For users who are searching for a reliable technique to perform this job this blog post is the answer. Here we will show you “How to reset Local Cache of Exchange, Outlook.com, or IMAP Account in Outlook?”

What is Local Cache in MS Outlook?

Outlook allows users to configure and manage Exchange, Outlook.com, or IMAP accounts. After the configuration of an account, Outlook automatically generates an OST file (Offline storage table). This is a file type that Outlook uses to preserve copies of all user’s mailbox data. This OST file is also known as the local cache of the configured account.

Local cache assists users in instantly accessing their email profile data even if they are in offline mode. It enables users to access their data if they have a connectivity issue with the mail server or have a poor internet connection.

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Problem users face with Local Cache: –

The local cache of Outlook profile helps users in preserving data locally for instant access, but on another side, it also can be a major behind the poor performance of MS Outlook. By preserving copies of sent or received items local cache file increases its size, which may create problems in Outlook like: –

  • Delay in sending or receiving new items.
  • Takes more time in providing search results.
  • Shows syncing issues with the mail server
  • Outlook takes a lot of time to start

Reasons behind corruption in Outlook Local cache/OST files: –

In addition to the oversizing problem, corruption errors also can enter in Local cache OST files. There are several which can obtain corruption problems in Outlook OST files, like-

  • System Crash or unexpected termination of Outlook
  • Use of unsupported Outlook add-ins
  • The problem with the Storage drive
  • Software and hardware failure

These and several more reasons make the Local Cache OST files corrupt or inaccessible. By resetting the local cache users can smartly fix all their Outlook-related problems with ease.

Method to Reset Local Cache of Exchange, Outlook.com, or IMAP Account in Outlook

MS Outlook saves the local cache of the user’s configured account in two different modes –

  • Offline folders (OST): – This is a single file that has a copy of all user’s mailbox data including- emails, contact, calendar, and other items.
  • RoamCache Folder: – It is the default folder that stores extracted properties of the user’s mailbox. For example, it preserves the emails that users have sent recently.

Both “Roamcache folder” and “Offline OST” file users will get at the default location:-

%localappdata%\Microsoft\Outlook.

To boost the performance of Outlook users have to delete both these items. Users can simply reset this local cache of Exchange, Outlook.com, and IMAP accounts by using the methods shown below.

Step 1: – Reset RoamCache

Follow these steps to Reset Outlook RoamCache folder items: –

  • Exit from Outlook application.
  • Press the Windows+R key from your keyboard and type
%localappdata%\Microsoft\Outlook\RoamCache.
  • Hit on Enter or click on OK.
  • Open the RoamCache folder, press “ctrl+a” and select all items.
  • Right-click on an item and click on delete to remove all items from this folder.
Step 2: – Reset Offline Storage table (OST) files

Apply these simple steps to delete Local Cache or OST files: –

  • Stop the MS Outlook application.
  • Hit the “Windows+R” key and type
%localappdata%\Microsoft\Outlook\RoamCache.
  • Press the Enter button and then from the opened location search and select the OST file.
  • Cut the OST file and move it to a secure location, (remove OST from this location).
  • After this, again start MS Outlook and users will automatically get a new OST file at the same location.
  • Start synchronizing Outlook profile data and mail server data.

By following these simple steps all users can simply Reset the Local Cache of Exchange, Outlook.com, or IMAP Account in Outlook.

Conclusion

Several times resetting the local cache becomes necessary for users to boost the performance of Outlook and fix unwanted outlook errors. Through this article, we have shown all the steps and information that users need to accomplish the Outlook Local cache deletion job. Follow the method shown above and start to resolve Outlook local cache-related issues easily.

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