But it will be troublesome when you cant send/receive emails from Outlook due to errors.

While sending an email, you got thiserror 0x8004910F: Outlook data file cannot be accessed.

This error code will show up when data or OST files get corrupted, and Outlook profiles are misconfigured.

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There are other factors behind this matter also.

No need to panic because it’s possible for you to quickly solve this problem.

All you’re gonna wanna do is follow some methods.

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Read on this article till the end to fix the Outlook issue.

So, lets begin without wasting any time.

Why is Outlook Data File Not Accessible?

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Furthermore, damaged Outlook program files or firewall tweaks could provoke this issue with Outlook.

Sometimes force shutdown affects those files too.

OST helps the users to access Outlook even if the system is offline or the Exchange server is down.

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For business people and organizations, Outlook is like their daily driver.

When this error occurs, users cant send or receive any emails.

Also related to this guideIncrease Outlook File Size Limit.

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Due to this irritating issue, all your daily working routines will halt.

So, without further fuss, lets jump into the fixing methods.

Just carefully follow the steps below to get out of this problem.

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Here are the methods to fix Outlook data files that cannot be accessed:

1.

Create a New Outlook Profile

Creating a new Outlook profile is the easiest and working fix.

I already told you in the upper section that a corrupted profile will prompt this issue.

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So, creating a new Outlook profile is going to save the day by eliminating this error.

But before creating and using a new Outlook profile, you must find the data files location first.

Read more onOutlook: Something Is Wrong With Your Data File.

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Locating data files is the first step before creating a new profile.

You will need the old profiles configuration to keep all the controls as they were.

So, follow the below steps to create a new profile.

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Lets create a new Outlook Profile in the exact file location.

Check out the easiest way toFix Outlook Cant Create File Error When Opening Attachment.

This will eventually create a new data file and fix the Outlook data file-related issues.

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So, you will no longer have data file-related issues in your Outlook.

When OST or PST files get corrupted, you will meet data files regarding problems with your Outlook.

Fixing those OST files will not take less than a minute to solve this issue.

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All you gotta do this is launch the SCANPST.exe to repair OST files.

The SCANPST.exe file is located in the Outlook installation file directory.

So, without any delay, lets look at the steps.

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I hope the issue is solved by now.

Related to our new guide post on how toOpen and Use a Shared Mailbox in Outlook.

Dont worry; you might gain ownership of the Outlook data file again by applying some simple steps.

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No need to download this tool because it comes by default with the Microsoft Office installation files.

you’re free to use the Online Repair option if Quick Repair fails to repair the problem.

FAQs

How can I fix Outlook data files that cannot be accessed?

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How to fix the Outlook data file not opening?

Create a new profile and select this profile as the primary profile in Outlook.

This is the quickest and easiest way to fix Outlooks data file not opening problem.

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What is PST and OST file in Outlook?

Final Words

Professionals and big companies use Outlook for their main emailing purpose.

So, problems with this can cause havoc to their daily work.

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As an Outlook user, I know how it feels when you cant send or receive any emails.

This problem mainly comes up whenever Outlooks data files get corrupted.

Along with all the methods, you might also try restarting Outlook and checking the internet connection.

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I hope you read till the end and have solved this problem by now.

Did you face any difficulties while fixing this issue?

Let me know in the comment box.

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See you at the next one.

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