Solved: Microsoft Outlook Data File Cannot Be Accessed Error

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  • Published on April 18th, 2022

  • Updated on December 9, 2023

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If you are trying to fix the Outlook data file cannot be accessed error, and you are failed? No need to worry! Here in this article, we will guide you through the best and most reliable ways to fix the Outlook error using different manual techniques. Besides this, we will guide you through the effective way using the automated approach.

As we all know that Microsoft Outlook is the most popularly used email client all over the world. Apart from that, there are many instances when Outlook is Sending a reported Microsoft Outlook data file cannot be accessed error. In such cases, users are looking for an instant and quick way to resolve this error.

Thus, in this write-up, we will provide you with the best and most effective solutions to fix the error. Now, before jumping directly to the solution, let’s put a light on some of the reasons behind the Outlook Error 0x8004010F.

Also Read: Out of Memory or System Resources

Reasons for the Outlook Data File Cannot Be Accessed

As we all must be aware that the OST and PST are prone to damage or corruption due to multiple factors. These files include corruption due to oversized, virus attack, damage due to accidental or immediate shutdown, etc. Apart from that, these errors are the common causes behind OST and PST file corruption. Now, we have listed the primary reasons behind Outlook Error 0x8004010F.

  • To change the location of the OST file on the machine.
  • In cases where the OST file is corrupt.
  • While copying the old OST file used by the earlier Outlook version after upgrading.
  • Due to the incorrect configuration or corrupt Outlook profile.
  • At the time of sending or receiving emails via shared mailbox.
  • If there is no internet or any network connection.

All the above-listed reasons insist the users remove the Sending reported error Outlook Data File Cannot Be Accessed. So, let’s move toward the best possible solutions to remove the error.

Best Methods to Fix Outlook Error 0x8004010F

There are many possible reasons to fix the Outlook Data File Cannot Be Accessed Error. We have listed the best-proven ways to resolve this error issue. For this, you need to follow the given below methods in a proper sequence.

Method 1: Restart Outlook & Check Network Connectivity

Most of the time, the error may resolve with programs and systems due to simply restarting the Outlook application. Therefore, if you are facing such an error issue, just restart your Outlook application or system and check if the error is still displaying or not. Besides, you can also check the internet connection.

Method 2: Create a New Outlook Profile and Setup Email via Auto Account

  • Open and Launch the Control Panel on your system and click on the Mail (Microsoft Outlook) (32-Bit) tab.
  • In the Mail Setup wizard, click on the Show Profiles button.
  • Now, click on the Add button to create a new Outlook profile.
  • After that, enter the Profile Name and press the Ok button.
  • Here, click on the Add Account button and enter the required details such as name, email, and password, and click Next.
  • Then, configure your New Outlook Profile.
  • In the next step, tick the Change Account Settings checkbox and click on the Next button.
  • Now, change the Account Settings and select the Old Profile to tap on the Remove button.
  • After this, click on the Always Use this Profile option and choose the New Profile Name from the dropdown.
  • In the end, click on the Ok button.

Method 3: Manually Setup Email Account

  • Launch the Control Panel and click on the Mail tab ( Microsoft Outlook) (32-Bit).
  • In the Mail Setup Wizard, press the Show Profiles button.
  • Now, tap on the Add button to add a new Outlook Profile.
  • Here, enter the Profile Name and click on the Ok button.
  • Click on the Manually Configure Server settings or additional server types option and press the Next button to manually set up the profile.
  • Choose the POP, IMAP, or Internet E-mail and tap on the Next button.
  • Then, Enter your Account Details and tap on the testing Account Settings to check your account.
  • After that, choose the existing Outlook Data File option and tap on the Browse button to select the existing PST file.
  • In the end, tap on the Next button and hit the Finish button.

Method 4: Try to Fix Old Outlook Profile

  • Launch the Outlook application on your system and navigate to the Account settings.
  • Click on the Account Settings option under the Account Settings tab and click on the Change Folder option.
  • Now, click on the New Outlook Data File option to create a temporary data file.
  • Then, enter the name of the New Outlook Data File and tap on the Ok button.
  • Here Expand the Subfolders and choose the Inbox folder. Click on the Ok button to close the dialog box.
  • Again, click on the Change Folder button and choose your original inbox folder by expanding the subfolder. Click Ok.
  • After that, in the Data Files tab, remove the temporary OST file that you have created earlier.
  • In the end, close the Account settings wizard and click on the Send/Receive options to check if the error is resolved or not.

Method 5: Repair OST File

  • Firstly, navigate to the following path to find and launch the SCANPST.EXE:
    C:\Program Files\Microsoft Office\root\OfficeXX\
  • Here click on the Browse button and choose the OST file.
  • Now, press the Start button and if the tool finds an error, click on the Repair button to fix the problem with the OST file.
  • After repairing, restart the Outlook application and click on the Send/Receive to check if the Outlook is working or not.

Method 6: Repair Outlook Data File

  • Launch the Control Panel and click on the Programs tab to choose the Programs and Feature option.
  • Now, search to click on the Microsoft Office application and right-click on it to choose the Change option.
  • Select the Repair MS Office and then select to repair and continue and follow the repair wizard.
  • After this, open Outlook and check if the error is resolved or not.

After performing all the above methods, if the error is still not resolved then you can opt for the professional approach to resolve your error.

Expert’s Solution for Outlook Data File

To repair or recover corrupt or damaged OST files you must install the Cigati OST File Recovery Tool. It is a risk-free and virus-free utility to recover and repair the corrupt or damaged Outlook OST file, including all the email data. Also, the software offers three recovery modes to execute the entire data recovery of the corrupt OST files. Furthermore, users also save their recovered OST file data into various file formats such as PST, EML, DBX, MBOX, and MSG.

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Final Verdict

In the above write-up, we have discussed the best-proven ways to fix the Task sending reported error 0x8004010F Outlook Data File Cannot Be Accessed. All the different techniques help the users to fix the Outlook data file error. But sometimes, there might be chances that the Outlook profile may be corrupt or damaged in that case, we recommend users to opt for the expert’s solution i.e, OST Recovery Tool. The software repairs or recovers corrupt or damaged OST files and save them into PST and many other file formats.

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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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