Compress files windows 7

Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows 7 Miscellaneous. Use this forum to discuss miscellaneous issues that cannot be covered in any other Windows 7 forum.

Sign in to vote. In Windows 7 is there a native way to compress or zip files from the command line? I'd like to do it without installing any third-party utilities such as 7Zip. Tuesday, March 8, PM. Hi, You can use Compact command. This can be beneficial to other community members reading the thread.

Proposed as answer by Andre. Thursday, March 10, AM. Ziegler 1. Thursday, March 10, PM. It accomplishes no part of the request. Thursday, October 3, PM. Monday, April 28, PM. FollowTheLion: If you want to be able to create zip archives from.

NET code, take a look at the System. Compression namespace in the System. FileSystem assemblies of. Jaap Mosselman. Wednesday, September 24, AM. Just use the built is zip command. Example: zip - test. You can specify the full path if needed. Friday, December 12, PM. However, the zip file rubbish. So wouldn't even advise going this direction. A larger dictionary size means better compression, but the memory requirements are ten times the dictionary size.

In most cases, MB will suffice, as it provides excellent compression at a decent speed. Select the option to split the file into smaller files optional. You can leave the other remaining options set to their default settings. But if a file is particularly large, you have the option to split the file into smaller files.

For example, you could take a 12 GB folder and split it into three smaller files that could each fit onto a DVD. Use the drop-down menu below "Split to volumes, bytes" to select how big you want each split file to be.

You will need all the split files to extract the files. Make sure you do not delete or lose any of the split files. Click Ok to compress the file. This compresses the file using the settings you specified. Method 2. Download and install WinRAR. WinRAR is a free for a limited time application you can use to compress files on Windows. Click the blue WinRAR 6.

Open the WinRAR ". Click Install and follow the on-screen instructions. Nearly all files can be compressed, but some files can only be compressed by a small amount. The icon looks like a stack of books. Select an archive format.

ZIP is the standard compression option and easiest to open on any system. Select Best from the "Compression Method" menu. This method provides the highest compression ratio the smallest size file. Select a Dictionary Size. The default option will already be selected based on the archive format you selected.

The larger the dictionary file, the more compressed the file can be. However, compression and decompression can take a long time and large dictionary sizes require better computer hardware.

You can try a size that is 10 times lower than your memory, or stick to the default if that takes too long. If a file is particularly large, you have the option to split the file into smaller files. Use the drop-down menu below "Split to volumes, size" to select how big you want each split file to be.

Click Ok. It's in the lower right corner. This compresses your file. Method 3. Right-click the file s you want to compress. To select more than one file at a time, press and hold the Command key as you click each file.

Then, right-click the highlighted files. You can compress most files types on your Mac. The size of the compressed file will vary depending on the type of file it is—images, text files, and various documents can usually compress to much smaller files than video and audio, for example. Click Compress.

This compresses the file into a ZIP file, which also reduces its size. ZIP file extension, which is a globally-used compression format that can be opened on nearly any system without needing special software. To decompress the file, double-click it. Method 4. Download Avidemux. To compress a large video into a smaller file, you'll need compression software that's specifically for video.

Avidemux is a free option that can considerably decrease a video's size, and it's available for Windows, Mac, and Linux. Click the download link for your operating system. Open the downloaded file in your web browser or Downloads folder. Follow the instructions to complete the installation. Launch Avidemux. You'll find it in the Windows Start menu or your Mac's Applications folder.

Compressing a video means sacrificing its quality. You can play around with compression options to figure out the best size-to-quality ratio. Movie files that you've downloaded from online sources may already be compressed.

Further compression can lead to a virtually unwatchable final product, or may not result in significant size changes. It is not possible to decompress a compressed video. You should always save the compressed version as a separate file so that you don't lose the original. Open a video file in Avidemux. Here's how: Click File and select Open. Select a video file on your computer and click ' Open.

This format gives you the highest level of compression at the best possible quality. This compresses the audio track of the video to keep its size down.

This is the most widely-compatible video format. Click the Configure button under the "Video Output" section. It's the first option below "Video Output. Select Video Size Two Pass from the drop-down menu. It's in the "Rate Control" section at the bottom. This option lets you specify the size you want your video to be. The larger the file size, the better the quality. Setting the target size significantly smaller than the original size will result in a drastic decrease in quality.

If you're not sure which size to use, keep the default. Enter the target size for the converted video. Avidemux will adjust its settings to get as close to your target size as possible, but it may end up slightly over or slightly under the target size.

This returns you to the previous screen. Click the disk icon to save and compress the video. It's in the upper-left corner of the app. You'll be asked to name the video before compression begins. Depending on the length of the video and the quality settings, this could take quite some time to complete.

Method 5. Start your computer in safe mode. Method 2: Perform a clean boot and then check if it helps. How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7.

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