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Most organizations prefer Outlook for professional communication. So, it’s a pathetic situation whenever you face a mistake while using the Outlook. Because of the error, the mailbox products including emails, calendars, contacts, occasions, etc. become inaccessible towards the users.
One particular error occurring most often is Outlook using old copy of information file. There can be some reasons with the result that the OST files can’t open or access and show a mistake. A few of the reasons are OS crash, improper upgrade of Outlook, virus infection, etc. The above mentioned error is displayed using the message:
“Outlook cannot open your default email folders. Outlook is applying a classic copy of OST. Exit Outlook, delete the .ost file and restart Outlook. A brand new file is going to be instantly produced next time you initiate a send/receive”.
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Techniques to fix Outlook Using Old OST File Error
Probably the most achievable method to trobleshoot and fix this error would be to delete that old OST file. But, make sure that you took a backup of the OST file healthy of the PST file. But, should you not wish to delete the OST file, you have to fix the trouble in the OST file.
Method 1: Delete the OST file
In the initial step, delete the OST file. For doing it, unhide the file first. Now, feel the below steps:
For Home windows 7:
Click Start Button.
Choose the File option, adopted through the alternate path Organize >> Folder and check options.
Visit View tab.
Pick the option Show hidden files, folders and motorists.
Now, untick the Hide extensions for known file types option.
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Hit a click OK.
For Home windows 10:
Launch the File Explorer.
Now, choose the View option.
Next, choose the option File name extensions and Hidden Products.
While using above steps, your Offline Outlook OST files will end up visible. Now, make use of the below described steps to repair the Outlook is applying a classic copy of the Outlook computer file (.ost). exit Outlook delete the file error.
Visit Computer or even the File Explorer Window.
Next, travel through C:/Users/(your login name)/AppData/Local/Microsoft/Outlook.
Now, delete the files with .ost extension.
Make sure that you haven’t deleted any PST file.
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Once done, restart Outlook.
Now, you have to recreate the OST file that has been deleted due to the occurrence of the error.
Method 2: Repair the OST file
When the above error message from Outlook 2016, 2013, 2010, and 2007 still continues, you will find chances the OST file is broken or corrupted. You are able to repair the corrupted OST files by using a Microsoft inbuilt inbox repair tool i.e. “scanpst.exe”.
It repairs the corruptions within the OST file and fixes the mistake Outlook is applying a classic copy of the OST. However the scanpst.exe has the capacity to fix only minor corruptions. In case your OST files happen to be seriously broken, you have to choose a professional tool as a substitute.
Alternative Route to trobleshoot and fix Outlook is applying a classic copy error
The manual method of resolve this error may be appropriate for people or small where you can find a little no. of OST files and could be repaired. But, how about large organizations. It’s not easy to repair each OST file by hand since there are a large no. of OST files.
Here comes the requirement for an expert solution which involves using a Microsoft OST to PST File Ripper tools tool to transform the inaccessible OST files to PST files. It is possible inside a short time. It is among the most achievable methods to fix this specific Outlook OST error.
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Final Words
Since many small, in addition to large organizations, depend on Outlook for his or her professional and business communication, a small hindrance within the Outlook data can make hassles within the functioning of the organization. So, it’s suggested in order to save the OST files in PST extendable at some regular times to prevent the appearance of Outlook is applying a classic copy of Outlook computer file (.ost) error. If you think this type of problem, apply for the professional tool to repair this error. Hope it will help.
