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Resolve Outlook Data File Cannot be Accessed 0x8004010F Error – Top 3 Methods

Published By Ashwani Tiwari
Tej Pratap Shukla
Approved By Tej Pratap Shukla
Published On May 31st, 2024
Reading Time 6 Minutes Reading

Nowadays, most of the people and organizations are using Outlook application for the communication purpose. If Outlook is connected with the Exchange server, it stores all data items in the OST (offline storage table) format. This OST file works as a replica of Exchange server mailboxes on the local machine. But, OST files are prone to be corrupt due to many reasons like overgrown size, virus attacks, accidental shutdown etc. Because of corrupted OST files, Outlook users may face an error code 0x8004010F: Outlook data file cannot be accessed in Outlook 2016, 2013, 2010. Therefore, in this write-up, we will try to list the precise reasons for this error and all the possible solutions to resolve this issue. Go through the following article to know more about this.

Important Note: If you are facing a problem accessing OST file mailbox data items and in case if your OST file is corrupted or Orphaned then the user can take the help of expert solution to recover crucial mailbox items. The user can download this advanced application from here.

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Some Possible Reasons behind the Outlook Error 0x8004010F

If you are using Outlook 2010, 2013, 2016 and you are getting the error message “0x8004010F: Outlook data file cannot be accessed” or “0x8004010F: The operation failed. An object could not be found”. Then, there can be the following reasons behind this error message:

  • Corruption occurs in Outlook OST file
  • Incorrect configuration of Outlook profile
  • Changing the location of OST file in the local machine
  • Moving old OST file from the previous Outlook version to the upgraded version.

How to Resolve 0x8004010F: Outlook Data File cannot be Accessed Error?

There are various methods to resolve this error message in Outlook. In this section, we will discuss the top 3 solutions to fix the issue:

Solution #1: Create a New Outlook Profile

Sometimes, your default Outlook account can be a reason for the corruption of OST files. In such a situation, in order to resolve the problem you can create a new Outlook profile by following these below-mentioned steps:

Step 1: Find the Default Outlook Data File

  1. At first, open the Control Panel & navigate to Mail option.
  2. After that, the ‘Mail Setup – Outlook’ dialog box will open. Click on the Show Profiles option.
  3. Now, select your current Outlook profile & go to Properties option.
  4. Again the ‘Mail Setup – Outlook’ dialog will come. You select the Data Files option.
  5. Then, an ‘Account Settings’ dialog box will open. Click on the Data File & note the name and location of the default Outlook profile. The default profile will be denoted by a check mark.
  6. After that, close and exit from it.

Step 2: Create a New Outlook Profile

  1. To create a new profile, open Control Panel.
  2. Then, a ‘Mail Setup – Outlook’ dialog box will open. Go to Show Profiles option.
  3. Now, select your current Outlook profile and then click on the Add button.
  4. Enter a name for the new profile in the New Profile dialog box and hit the OK button.
  5. Now, an ‘Add New Account’ dialog box will open. Type your email information and then click Next button to proceed further.
  6. After successful configuration completes, click on Finish.

Step 3: Setup a New Outlook Profile as the Default Profile

  1. Again, open the Control Panel.
  2. The ‘Mail Setup – Outlook’ dialog box will open. Navigate to Show Profiles option.
  3. After that, select the option ‘Always use this profile’ & choose the new profile from the drop-down menu under it.
  4. Finally, press the OK button.

Solution #2: If It is Not Possible to Create a New Outlook Profile

Some users have multiple email accounts in Outlook. So, creating a new Outlook profile might not be feasible for them. In this case, they can follow the below-mentioned steps to resolve the error code 0x8004010F:

    1. First of all, open Microsoft Outlook and go to File menu >> Account Settings >> Account Settings.
    2. Click on the Change Folder and expand it by clicking the “+” sign adjacent to it.
    3. Select Inbox and click on New Folder option to create a new temporary folder. Enter a name for it and then click on OK button.
    4. Now, choose the folder that you have just created and press OK. This new folder will be displayed in the message delivery location.
    5. Now change the temporary folder back to the original location. For this, select the Change Folder option again.
  1. Here, select Inbox option and then click OK button.
  2. Finally, close the Account Settings option & click on send/receive.

Solution #3: Resolve Outlook Data File Cannot be Accessed Issue Effortlessly

If none of the above-discussed methods able to resolve the issue, then the only option you might be left that is a third-party tool. However, the most recommended way to fix the Outlook Error 0x8004010F is OST Recovery Tool. This is an expert application which can extract all objects within corrupted OST and repair them. It has the capacity to recover all the files such as email, contacts, calendars, notes, tasks, journals, etc, from OST file. After recovery, the tool is capable to save the extracted data in PST, EML, MSG, HTML, and Office 365 file format. Moreover, it is compatible with all versions of Outlook and recovers both compressible and high level of encryption.

Follow the Steps Resolve Outlook Data File Cannot Be Accessed Issue

  1. Install and run this application on your System.

2. Click on Add file and browse the OST file from your system.

3. Now the User can choose the Scan Mode from Quick scan and Advanced Scan.

4. Now preview the complete mailbox data items such as emails, contacts, calendars etc.

5. Select the mailbox data items and then choose the PST file. Also,select the destination location to save the resultant file. 

Summing Up

In this blog, we have shed light on the most common Outlook 2010, 2013, 2016 error 0x8004010F: Outlook data file cannot be accessed. Apart from this, the reasons for this error and various manual ways to resolve this issue are also described in this post. However, keeping the trust on the third-party solution is the best option to ensure the resolution is done smoothly and within less time.


By Ashwani Tiwari

I am an Expert Technical Analyst, specialized in assisting users with complex technological challenges. Through my blogs and articles, I offer expert guidance to help tackle these technical issues effectively. My true passion lies in providing valuable insights and simplifying complicated technicalities, enhancing user understanding and confidence.