outlook.exe - Analyze and How to Fix Errors
★★★★★ Verified File (27.08.2026)⚠️ Important Notice: Optimize your PC with
outlook.exe- Quickly fix errors, enhance performance, and ensure smooth email operations. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | 32-bit (x86) | Compatible with 32 and 64-bit Windows |
| Creation date | 28.10.2006 00:11:27 | |
| File version | 12.0.4518.1014 | |
| Antivirus scan | ✅ Clean | No viruses detected. |
| Digital signature | ✅ Have signed | File have signature, it is original file. |
| Hash Integrity | ✅ MD5: Verified | File Hash protection is missing. |
| File size | 12.2 Mb. | 12.2 Mb. bytes. |
Hashes:
MD5: d610e3e5e67178d0286b87fd5a7f575f ✅SHA-1: 3196d76c9f43213d1c3f6464a0b395c76c3e9cc1
SHA-256: 0ca1c4ac482b9265274023a90afb82df1d1eda6d8c064083e456bde030ce9786
SHA-512: 4570f9dcef19749c449282b2214ab156552b3038cff50e980ac0994f907ef1d1678c53d21df8e4fcfbb606a3749a1fece3c217afbc67b323d697d3debfa3b2e2
Digital file signature outlook.exe ✅
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Oct 27 22:17:25 2006 GMT
✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).
outlook.exe is the primary executable file for Microsoft Outlook, the widely used email and personal information management client.
Description and Standard Location
- Description: This file launches the Microsoft Outlook application. It handles email processing, calendar sync, contacts, and all other core Outlook functionalities. It is a legitimate Microsoft process, but if found outside its standard directory, it could be malware masquerading as the application.
- Standard File Location: The exact path depends on your Office installation type (Click-to-Run vs. MSI) and version. The most common standard locations are:
- Microsoft 365 / Office 2016 / 2019 / 2021 (64-bit):
C:\Program Files\Microsoft Office\root\Office16\ - Microsoft 365 / Office 2016 / 2019 / 2021 (32-bit on 64-bit Windows):
C:\Program Files (x86)\Microsoft Office\root\Office16\ - Office 2013:
C:\Program Files\Microsoft Office\Office15\
- Microsoft 365 / Office 2016 / 2019 / 2021 (64-bit):
How to Fix outlook.exe Errors Without Downloading Anything
You can resolve most Outlook crashes, corruption, or launch errors using built-in Windows and Microsoft Office utilities.
Method 1: Use the Built-in Office Repair Tool
Windows includes a native utility to scan and repair corrupted Office executables like outlook.exe.
- Press
Windows Key + R, typeappwiz.cpl, and press Enter. - Locate Microsoft Office (or Microsoft 365) in the list.
- Right-click it and select Change.
- Choose Quick Repair (requires no internet) and click Repair. If the issue persists, repeat and choose Online Repair.
Method 2: Run Outlook in Safe Mode
If a corrupted add-in is causing outlook.exe to crash, safe mode will bypass it.
- Press
Windows Key + Rto open the Run dialog box. - Type
outlook.exe /safeand press Enter. - If Outlook opens normally, the issue is an add-in. Go to File > Options > Add-ins, manage COM Add-ins, and uncheck them one by one to find the culprit.
Method 3: Repair the Outlook Data File (.pst / .ost)
Errors are frequently caused by broken data files rather than the executable itself. Microsoft includes a hidden repair tool for this.
- Open File Explorer and navigate to your Office folder (e.g.,
C:\Program Files\Microsoft Office\root\Office16\). - Find and double-click
SCANPST.EXE. - Click Browse to select your Outlook data file (usually located in
C:\Users\%username%\AppData\Local\Microsoft\Outlook\). - Click Start to scan and repair errors.
Method 4: Create a New Outlook Profile
A corrupted user profile can prevent outlook.exe from executing properly.
- Open the Windows Control Panel and search for Mail.
- Click Show Profiles, then click Add.
- Name the new profile, configure your email account, and set it as the default under "Always use this profile".
📊 Diagnostics Tool: Verify Your outlook.exe File
Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.
Connected files:MSVCR80.dll
├── ADVAPI32.dll
├── GDI32.dll
├── IMM32.dll
├── KERNEL32.dll
├── ole32.dll
├── USER32.dll
└── credui.dll
Similar files:
️microsoft.office.tools.outlook.v9.0.dll | ️microsoft.office.tools.outlook.dll | ️umoutlookaddin.dll | ️microsoft.office.tools.outlook.implementation.dll | ️microsoft.office.tools.outlook.ni.dll | ️umoutlookstrings.dll
Microsoft Corporation