Fix Outlook Data File Cannot be Accessed Error 0x8004010F

When you encounter Outlook data file cannot be accessed 0x8004010F error it means that Outlook is unable to locate the data file. So, if you are in the same situation, do not panic. In this article, we will learn about the causes, impacts, and top 11 solutions for this error and help you easily fix it.

What is 0x8004010F Outlook Error?

Outlook Error 0x8004010f is also referred to as Outlook data file cannot be accessed which is a common mistake made by Microsoft Office. Therefore, it means that when using Outlook, it may fail to access or locate specified data files (PST or OST) associated with an email account.

Causes of Outlook Data File Cannot be Accessed Error

Outlook data files cannot be accessed and are commonly identified with the code 0x8004010f can arise due to the following reasons:

Profile Issues: Outlook profiles can be a significant cause of such errors. If you are encountering an 0x8004010F Outlook error, then your Outlook profile might be corrupt or improperly configured. There can also be changes in account settings or the profile may not be set correctly, because of which Outlook may fail to access the data file.

Incorrect File Path: The wrong path of the file is possibly one of the most common reasons for such failure like Outlook data file cannot be accessed issue. To find both PST and OST files Outlook needs a specific path. If they are not available in their initial location anymore, then these files cannot be found by Outlook at all.

File Permissions: Outlook can also have issues accessing the data file if you have not given the appropriate permissions. To smoothly access the Outlook data file and folder without any errors, it is important to have sufficient permissions.

Corrupt Data File: Data file corruption is one of the major causes of most Outlook errors like 0x8004010f. Data files become corrupt for various reasons, such as unexpected shutdowns, large file sizes, and software conflicts.

Third-party Applications: Unverified third-party apps like antivirus and insecure backup software can lock and interfere with the data file. Unnecessary add-ins can also disrupt Outlook’s ability to access the data file.

System or Network Issues: Last but not least, one of the most common and major causes is network and system issues, which can also hinder Outlook’s performance. Some examples are corrupt files, improper system settings, an outdated OS, or a slow internet connection.

Impacts of Outlook Data File Cannot be Accessed – 0x8004010F Error

Outlook 0x8004010F error can damage and influence a user’s experience with Microsoft Outlook in the following ways. Some of the major impacts of Outlook data file cannot be accessed error are:

• Problems with sending/receiving, composing, reading, organizing, emails and folders.
• Some important information such as contacts or calendar data can be inaccessible.
• Businesses and professionals who work with Outlook every day may encounter interruptions.
• Some of the users may also end up losing their data permanently in case the 0x8004010F error is file corruption.
• On a personal level, users can also experience stress and frustration.

How to Fix Error 0x8004010F in Outlook? – 11 Solutions

Following are the different manual and advanced strategies to resolve Outlook data files that cannot be accessed:

1. Check Permissions

1. Initially, Open Outlook and click on the ‘File’ tab.
2. Select ‘Account Settings’ and click ‘Account Settings’ again.
3. Now go to the ‘Data Files’ tab.
4. Tap on the ‘Open File Location’ option.
5. Right-click on the folder and select ‘Properties‘.
6. After that, go to the ‘Security‘ tab to ensure proper permissions.
7. Restart Outlook and see if the error is fixed. If not, try another solution to fix Outlook 0x8004010f.

2. Close and Restart Outlook

1. Just click the ‘X’ button or go to ‘File’ > ‘Exit’ then Close Outlook completely.
2. Now, press Ctrl+Shift+Esc to open Task Manager.
3. Then, Find “Outlook.exe” under the Processes ta,. select it, and click End task to end all processes.
4. Thereafter, restart Outlook. Click its shortcut on the desktop or search for it from the Start menu.
5. Check whether you can now access your emails and determine if the Outlook data file cannot be accessed problem is fixed.

3. Use ScanPST.exe to Fix OST

1. Firstly, Go to C:\Program Files\Microsoft Office\root\OfficeXX\ to find and open ScanPST.exe.
2. Click ‘Browse’ and select your OST file from C:\Users\user\AppData\Local\Microsoft\Outlook.
3. Click ‘Start’. If errors are found, click ‘Repair’ to fix them.
4. Restart Outlook and click ‘Send/Receive’ to check if the problem is resolved.

Advanced Tip: If these methods seem frustrating to you, then use the BitRecover OST Repair tool to instantly fix all the issues you are facing with your Outlook data OST file and are unable to access them such as Outlook data file cannot be accessed error 0x8004010F.

4. Turn Off Compatibility Mode in Outlook

Compatibility mode that supports Outlook will cause problems if enabled with files that are compatible with older versions of Windows.

1. Find Outlook.exe in File Explorer or via search.
2. Right-click it and go to Properties > Compatibility.
3. Disable “Run this program in Compatibility Mode.”
4. Finally, Access your OST file by reopening Outlook

5. Check Outlook Account Settings

1. Firstly, Confirm that account settings are ok and the Exchange server is online.
2. Then, Try logging into the Outlook Web App (OWA) to test the connection.
3. For any server setting changes, get in touch with your administrator.
4. If OWA is working, try other methods of resolving the Outlook data file that cannot be accessed 0x8004010F error.

6. Create a New Outlook Profile

1. Open Outlook and navigate to File > Account Settings > Change Profile.
2. After this, Outlook will close automatically. Restart it
3. Now we see the Choose Profile box.
4. Afterward,  Enter a profile name and select profile.
5. Click on Options then click on “Prompt for a Profile to be Used” or Set as the default profile.

7. Setup an Email Account Manually

1. Launch the Control Panel and choose Mail.
2. Click “Show Profiles” and then click “Add new profile”.
3. Give your profile a name then press the OK button
4. Choose “Manually configure settings” and click the Next button
5. Select the account type (POP or IMAP) and click Next.
6. Enter account details and test settings.
7. Then, Choose the existing data file with “Browse.”
8. Click Next and Finish to fix Outlook data file cannot be accessed.

8. Disable Inappropriate Add-Ins

If Outlook can’t access OST files, the issue might be with an add-in. To remove it:

1. Open Outlook to resolve error 0x8004010f.
2. Go to File > Options > Add-ins.
3. In the Manage section, select “COM Add-ins.”
4. Afterward, Choose an add-in and click “Remove” to uninstall it.

9. Turn off Cache Exchange Mode in Outlook

If Outlook can’t access your data file, syncing errors might be the cause. To fix this, turn off cached mode in MS Exchange:

1. Firstly, Open the Control Panel.
2. Go to Mail > Email Accounts.
3. Select your account and click “Change.”
4. Visit Advanced Settings.
5. Then, Disable “Exchange Cached Mode.”

10. Fix Old Outlook Profile

To fix the Outlook data file cannot be accessed error 0x8004010F without creating a new profile, follow these steps:

1. Go to File > Account Settings > Account Settings and click “Change Folder.”
2. Click “New Outlook Data File” and name it, then click OK.
3. Expand the subfolders and select the Inbox folder, then click OK.
4. Click “Change Folder” again and select your original Inbox folder, then click OK.
5. After that, Go to the Data Files tab and remove the temporary OST file.
6. Close Account Settings and click “Send/Receive” to check if the error is fixed.

11. Change Outlook Data File Format

Finally, if nothing works, then the best method you can try is changing the file format of your Outlook data file. Whether you are having this Outlook data file cannot be accessed error due to OST file or PST file, changing their file extension will help you.

If the cause of this problem is PST file, then use BitRecover PST Converter and change its format into any file extension you want, such as PST to OST.

Hence, if you are facing this error because of the OST file, then use BitRecover OST Converter software and change its file extension into PST or any other format.

Note: All the software suggested in the article is 100% certified, safe, and easy to use.

Conclusion

Outlook data file cannot be accessed 0x8004010f is a common error message that occurs when Outlook is unable to find and open the user data file. This error can be caused due to several reasons, however, it can also be impactful in several ways. Hence, you can use multiple ways to fix it. In the above guide, we have explained all the manual methods and instant solutions to easily get rid of this error. Moreover, if you use specialized tools to convert OST to PST or repair PST files, you can easily start accessing the Outlook data file without an error.