ooofilt_x64.dll - Analyze and How to Fix Errors
β β β β β Verified File (27.08.2026)β οΈ Important Notice: dll for Office integration enhancements. Essential for 64-bit systems. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | 64-bit (x64) | Compatible with only 64-bit Windows |
| Creation date | 08.10.2025 22:43:49 | |
| File version | 4.1.9816.500 | |
| Antivirus scan | β Clean | No viruses detected. |
| Digital signature | π‘ Not signed | Signature missing. The file may have been modified. |
| Hash Integrity | β MD5: Verified | File Hash protection is missing. |
| File size | 0.6 Mb. | 0.6 Mb. bytes. |
Hashes:
MD5: 8308d276ace5a12e00942fee6ce22b98 βSHA-1: bec3d79aea674f4836808539f025e60020c2f253
SHA-256: 7969f2c0a3f81330908c1023be9c78e128da64af40938f606f15f8ec056b8085
SHA-512: ed19cc99d05f97e994cb87588849e8800ec81efc122ca938bb117ef875d70da4eac1813c26d7cdfd4c8b94ff565bd88cab57e534a98b35470cc9a7664ad3b5ac
β This file is compatible with 64-bit Windows and β will not work on a 32-bit operating system.
To fix the ooofilt x64.dll error without downloading any files, you need to manually re-register the file in Windows, repair your LibreOffice/OpenOffice installation locally, or rebuild your Windows Search index. This specific DLL is part of the OpenOffice or LibreOffice IFilter plugin, which allows Windows Search to index and look inside OpenDocument files (.odt, .ods, etc.).
Follow these step-by-step methods to resolve the error using built-in Windows utilities:
Method 1: Re-Register the DLL File
If the file is present on your system but Windows cannot detect it or it has become unregistered, you can fix it using the Microsoft Register Server.
- Press the Windows Key, type
cmd, right-click Command Prompt, and select Run as administrator. - Copy and paste the following command depending on your software, then press Enter:
- For LibreOffice:
regsvr32 "C:\Program Files\LibreOffice\program\shlxthdl\ooofilt x64.dll" - For Apache OpenOffice:
regsvr32 "C:\Program Files (x86)\OpenOffice 4\program\shlxthdl\ooofilt x64.dll"
- For LibreOffice:
- A popup should appear confirming that the registration was successful. Restart your computer.
Method 2: Repair the Installation Locally
You do not need to download anything to fix a corrupted file; you can trigger a local repair using the cached installation files already on your hard drive.
- Press
Windows Key + R, typeappwiz.cpl, and press Enter to open Programs and Features. - Scroll through the list and locate LibreOffice or OpenOffice.
- Right-click the application and select Repair (if "Repair" isn't directly visible, click Change and then select Repair).
- Follow the on-screen wizard instructions to let Windows fix missing elements automatically.
Method 3: Run System File Checker (SFC)
If the error is causing issues with your main Windows Explorer or Search services, system integrity tools will fix the corruption.
- Open Command Prompt as an Administrator.
- Type the following command and hit Enter:
sfc /scannow - Allow the verification process to reach 100%. Windows will automatically replace any broken cross-referenced dependencies from its local system cache.
Method 4: Rebuild Windows Search Index
If the error manifests as a permanent high CPU load or crash loop within the SearchIndexer.exe process, resetting the index will fix it.
- Open the Windows Start menu, type Indexing Options, and open it.
- Click the Advanced button (requires administrator rights).
- Under the Index Settings tab, look for the Troubleshooting section and click Rebuild.
- Click OK to confirm. Windows will rebuild the index entirely in the background.
If you would like to pinpoint the issue further, let me know:
- What specific error message or crash behavior are you seeing?
- Are you using LibreOffice or Apache OpenOffice?
π Diagnostics Tool: Verify Your ooofilt x64.dll 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.
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οΈooofilt.dll