Description
Creation date: 04.02.2079 03:50:11
File version: 9.0.1125.51716
Antivirus scan: ✅ OK
Category: Compression
File size: 54.3 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.
Digital file signature System.IO.Compression.ZipFile.dll
Issuer: Microsoft Code Signing PCA 2011
Encryption algorithm: SHA256
Time stamp: Oct 18 02:34:43 2025 GMT
The System.IO.Compression.ZipFile.dll file is a Dynamic Link Library (DLL) that belongs to the .NET Framework and provides functionalities for working with ZIP files. It allows applications to create, extract, and manage ZIP archives, making it easier to handle compressed data in Windows environments.
SHA-1: ca67a6d8363bdf5ad8c36e675f472859f1c41d6d
SHA-256: 60df46d771d22ec82cecd32c05ee698af3237a256cbb3b887599df0d381c70e6
Where it is used
This DLL file can be found within various .NET-based applications that require operations related to ZIP files. While the exact programs are not explicitly known, it's likely involved with software such as:
- .NET development environments (e.g., Visual Studio)
- File management utilities
- Data archiving and compression tools
- Servers using .NET Framework for file operations
Errors related to System.IO.Compression.ZipFile.dll
Frequent errors associated with this DLL include:
- "System.IO.Compression.ZipFile.dll not found"
- "Missing System.IO.Compression.ZipFile.dll"
- Error loading "System.IO.Compression.ZipFile.dll"
These errors may occur due to a missing or corrupted file, or due to incompatibilities between the file and the current version of Windows.
File security
The file is marked as safe. It is part of the .NET Framework and is not associated with viruses or substitutes. However, if you encounter unexpected errors or behavior from a DLL, it's always advisable to ensure your system is up-to-date and that no malicious activity has occurred.
FAQ
How to fix System.IO.Compression.ZipFile.dll missing error?
Download the correct file and copy it to the required program folder.
Is System.IO.Compression.ZipFile.dll safe?
The original System.IO.Compression.ZipFile.dll file was scanned by the antivirus, result: "OK".
Can I delete System.IO.Compression.ZipFile.dll ?
You can move the file to a temporary folder and try to replace.
To fix the following errors:
System.IO.Compression.ZipFile.dll was not found
The code execution cannot proceed because System.IO.Compression.ZipFile.dll was not found
Failed to load System.IO.Compression.ZipFile.dll
The procedure entry point ... could not be located in System.IO.Compression.ZipFile.dll
1. Download links:
2b. Also try to copy to bin, lib folders.
2c. Try to copy System.IO.Compression.ZipFile.dll C:\Program Files (x86)\Your program\
👉 Before file replacement, ensure backups are made.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.
Advanced users only:
3. Copy into the folder C:\Windows\System32\
3b. Copy into the folder C:\Windows\SysWOW64\
How to fix errors
To resolve issues related to System.IO.Compression.ZipFile.dll, consider the following steps:
- Reinstall the program: If an application is giving you trouble with this DLL, reinstalling it might resolve the issue.
- Update Windows: Ensure your operating system is up-to-date to avoid compatibility issues. Windows updates often include important security patches and bug fixes for DLLs like these.
- Manually replace System.IO.Compression.ZipFile.dll: If the file is missing, you can try downloading it from a trusted source. However, be cautious when doing so to avoid potential security risks.
Conclusion
The System.IO.Compression.ZipFile.dll is an essential part of the .NET Framework and plays a significant role in handling ZIP files. If you experience errors, take steps to ensure your system is up-to-date and consider reinstalling or replacing the file if necessary.