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Fixing the Error “Outlook Data File Cannot be Accessed” and Error “0x8004010F”

Published By Raj Kumar
Anuraag Singh
Approved By Anuraag Singh
Published On July 3rd, 2024
Reading Time 6 Minutes Reading

Are you looking for the easiest way to get over the most irritating errors of MS Outlook, like “Outlook data file cannot be accessed” and “0x8004010F”? You are aware of these irritating errors. In this article, I help you overcome these errors and make your Outlook error-free. Here are the reasons that caused those errors:

Why does the “Outlook Data File Cannot Be Accessed” Error Occurs?

Microsoft Outlook stores all the data in both the online and local systems. So you can easily access previously downloaded and synchronised emails. You can access your calendar, contacts, tasks, and journals even if you are offline.

It all depends on what type of account, you are using. If you have a POP account, that means all your Outlook data is stored on your personal computer. And if you are using an IMAP account, that means
All your information is stored on the server, and you can access your data from more than one device.

If you are facing the error “Outlook data file cannot be accessed,” that means Outlook is not able to open the PST file.

Here are some common reasons that cause the error:

  • Outlook files might be corrupt: if your data file is corrupt or damage, then this error can occur
  • Conflicts in Software: Sometimes third-party add-ins and plug-ins can interfere with how Outlook uses the data.
  • Configuration of profile: syncing problems and inaccurate settings with your Outlook profile also cause the error.
  • File path: if you change the file path or move the file from the correct location, then Outlook won’t be able to access the file.

Why Error “0x8004010F” Occurs in Outlook

This error occurs due to damage in the OST or PST file, and damage may occur due to various reasons like the oversize of the file, virus attack, or the forceful or accidental shutdown of the error. These are the common factors that can affect the data files, and sometimes human error also causes these errors.

This is an IMAP error that mostly occurs when you are synchronizing the offline address book while sending/receiving emails. These are the primary reasons behind this error.

  • It might be that your OST file is corrupt.
  • Outlook profile corruption or incorrect configuration.
  • Week internet connection or no internet connection.
  • Using a shared mailbox can also cause an error.
  • The file’s location has change from its origin.
  • I copied a previous version of the OST file after upgrading.
  • Program files might be damage.
  • Access denied for read/write permissions.

Methods to Fix “Outlook Data File Cannot Be Accessed” and Error “0x8004010F”

Method 1: Restart Outlook & Check Network Connectivity

It has been noticed that most of the time the errors are automatically solved by just restarting Outlook, and if the error is still displaying, just check for the network connection. Make sure you have a proper internet connection with good speed.

Method 2: Manually Setup the Email Account

  1. First, launch the control panel and tap Mail.
  2. Now press on the show profiles option from the Mail wizard.
  3. Click on the Add new profile button, enter a name, and tap OK.
  4. Select the manually configured settings and press the Next button to set up the Profile.
  5. Now choose which type of account you want, like POP or IMAP, and click on the Next button.
  6. Enter the account details and click on Test Account Settings to verify your account.
  7. Then choose the existing Outlook data file and click on the Browse button to choose the existing data file.
  8. Finally, tap on the Next button and click finish to end the task.

Read more: How to Remove Attachments from Sent Emails.

Method 3: Fix the Old Outlook Profile

  1. Open the Outlook application and browse the Account settings.
  2. Now tap on the Change folder under the Account Settings options.
  3. Create a temporary data file by clicking on the New Outlook Data File option.
  4. Enter a name for the new data profile and tap OK.
  5. Expand the subfolders select the Inbox folder & click OK, then close the dialog box.
  6. Now tap on the change folder option and select the original inbox.
  7. In the data files tab, delete the temporary OST file that was recently create.
  8. Now close the setting and reopen the application to check the error is solve or not.

Method 4: Try to Repair the OST File

  1. Firstly, browse the following path to launch SCANPST.EXE:  (C:\Program Files\Microsoft Office\root\OfficeXX\)
  2. Click on the browse button to select the OST file.
  3. Tap the start button, and if any error occurs, tap on the Repair button to fix the error.
  4. Lastly, restart the application and check whether the error is solve or not.

Method 5: Repair Outlook Data File

  1. Open the control panel and choose the programs tab to choose the feature option.
  2. Then, right-click on the Microsoft Office application and choose the change option.
  3. Tap on the Repair MS Office choose repair, continue, and follow the repair wizard.
  4. Lastly, open Outlook and check if the error is solve or not.

If the error is still not resolve, after doing all the methods mentioned above, you can go for a professional solution to resolve the error.

Method 6. Expert’s Solution to Solve “Outlook Data File Cannot be Accessed” and Error “0x8004010F”

Still facing the errors? Why not try the SysTools PST Repair Tool, which can easily repair your PST file. It can also recover all the files from the damaged PST file. Users can search and fix multiple PST files at once.

Key Features of the Professional Software

  • It can fix any level of corrupted or damaged PST files.
  • Repair PST files can be export in multiple file formats.
  • There are multiple options to fix password-protected PST files.
  • You can search multiple PST files and fix them.
  • A preview option is also available so that users can easily preview files.
  • Restore lost or deleted data files from the Outlook PST file.
  • Multiple language support is also available with this tool.
  • Supports both ANSI and UNICODE formats.


In this article, we have discussed the major Outlook errors and the reasons behind those errors. Moreover, we have also described various manual methods to solve the error. If users still face challenges, they can try a demo version of a professional tool. This software helps the user repair their PST file, recover important deleted data, and fix any damaged PST files.

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