Fix Outlook Error 0x8004010F: Outlook cannot be accessed

What is Outlook 0x8004010F Error?

Outlook error 0x8004010F: Outlook Data File Cannot Be Accessed is a common send/receive issue. It means Outlook is unable to locate your data file, so emails cannot sync properly. It usually shows in two forms:

• 0x8004010F: Outlook data file cannot be accessed
• 0x8004010F: The operation failed. An object could not be found.

Instant Solution to Fix Outlook Error 0x8004010F

By using these simple steps, you can recover your corrupted/inaccessible PST/OST files.

1. Download & install the DRS PST File Recovery Tool.
2. Click “Open” to add your corrupted/inaccessible file.
3. Choose Recovery Modes and other options. Click OK.
4. After that, you can see all the recovered data files.
5. Lastly, click Save and select several save formats.

Why does Outlook Error 0x8004010F Occur?

• The Outlook profile is corrupted.
• PST/OST file is moved, deleted, or damaged.
• Incorrect send/receive settings.
• They upgraded or migrated Outlook without updating the file path.
• Network or permission issues in Exchange accounts.
• Also, an antivirus or firewall is blocking file access.

Methods to Fix Outlook Error 0x8004010F

Outlook error 0x8004010F usually means Outlook cannot locate the data file it needs. When Outlook can’t access your PST (or OST), sending and receiving stop. The steps below start with safe, simple fixes. If manual steps don’t help, a trusted recovery tool can repair damaged files without data loss.

Method 01: Create a New Outlook Profile to Troubleshoot Outlook 0x8004010F Error

A corrupted profile is a common cause. Creating a new profile often fixes error 0x8004010F. Here is how you can perform it:

1. Firstly, close Outlook.
2. Now, open the Control Panel and choose Mail (Microsoft Outlook).
3. After that, click Show Profiles.
4. Then, click Add. Give the new profile a name.
5. Add your email account details (email and password).
6. Further, choose Always use this profile and select the new one.
7. In the end, open Outlook and test send/receive.

Why this works: A fresh profile resets Outlook settings and points Outlook to a

correct data file.

Method 02: Reconnect the Correct Data File to Fix Outlook Error 0x8004010F

If Outlook is looking at the wrong PST/OST file, you must set the correct one.

1. Primarily, open Outlook.
2. Next, go to File → Account Settings → Account Settings.
3. Afterwards, click the Data Files tab.
4. Now, see which file is marked Default.
5. If it’s incorrect or missing, click Add and browse to your PST file.
6. Select it and choose Set as Default.
7. Finally, restart Outlook.

Note: For Exchange or IMAP accounts, Outlook may use an OST. Rebuilding the OST is safe and will re-sync mail.

Method 03: Repair PST/OST with ScanPST (Inbox Repair Tool)

Windows includes a built-in repair tool named ScanPST.exe. It can fix many PST problems. Follow these simple steps:

1. First of all, close Outlook.
2. Find SCANPST.EXE on your PC. (Location varies by Office version.)
3. After that, open ScanPST and browse to your PST file.
4. Now, click Start to scan.
5. If errors are found, click Repair.
6. Open Outlook and check your mail.

Note: ScanPST works well for mild corruption. If the file is badly damaged, ScanPST may fail to recover everything.

Method 04: Rebuild the OST File (for Exchange, IMAP, Microsoft 365)

If your account uses an OST, you can rebuild it safely. Outlook will re-download mailbox data from the server.

1. Again, close Outlook.
2. Now, open File Explorer and go to:
   • C:\Users\%username%\AppData\Local\Microsoft\Outlook\
3. Rename the OST file (example: old_mailbox_backup.ost).
4. Start Outlook. It will create a new OST and re-sync mail.

Important: Only rename or remove OST files when Outlook is closed.

Method 05: Check Send/Receive Settings to Fix Outlook 0x8004010F Error

Incorrect settings can cause 0x8004010F. Confirm details with your email provider.

1. In Outlook, go to File → Account Settings → Account Settings.
2. Select your account and click Change.
3. Verify incoming and outgoing server settings.
4. Click More Settings → Advanced and confirm ports and encryption.
5. At the end, test account settings.

Tip: If you use Exchange, check if the mailbox is still available on the server and that your username is correct.

Method 06: When Manual Fixes Fail: Use DRS PST Repair Tool

If the PST file is severely corrupted, professional repair is safer and faster. The DRS PST Repair Tool is designed to recover PST files with integrity and minimal user effort. In addition, this tool helps to fix Outlook error 0x80004001 and more.

Simple Steps to Fix Outlook Error 0x8004010F:

1. Launch the DRS Outlook PST Recovery Tool on your PC.
2. Now, click on Open to add your corrupted PST files.
3. Then, select the Recovery Modes and other features. Click OK.
4. You can preview all your recovered OST/PST files.
5. Click on the Save button to download all your recovered files.

What Does the DRS PST Repair Tool do?

• This tool repairs badly damaged PST files.
• Restores emails, contacts, calendars, tasks, and attachments.
• The professional tool keeps the folder structure intact.
• Exports recovered data to PST, MBOX, EML, and other formats.
• Moreover, you can use the tool even if Outlook is not installed.

Why Choose a Professional Tool?

• ScanPST may not recover all data from a badly corrupted file.
• Manual repair is risky and may cause more damage.
• A tested recovery tool reduces downtime and prevents data loss.
• Additionally, you get a clear preview of recoverable items before saving.

Conclusion

In this technical blog post, we explored several methods to fix Outlook error 0x8004010F. The manual method is helpful to repair minor corruption. If manual methods fail and the file becomes severely damaged, you can fix it using a trusted tool. This tool repairs the Outlook data file effectively without losing emails, contacts, or attachments. To avoid this error in the future, always keep a backup of your PST file. Maintain a stable Outlook configuration and avoid unexpected shutdowns during email syncing.

Frequently Asked Questions