Software :: How To Compress Files For Mac And Windows
Apr 16, 2009
What is the safest corrupt-recoverable way to compress a large (16GB) set of files for use with mac and windows?
I have tried winrarring into parts, but winrar doesn't support par recovery, and unrarx for mac doesn't tell you which part is corrupt.
Is there a half decent .rar extraction utility for mac that can tell you which part is corrupt, and can read .rev (winrar recovery) files? It seems simple but I've tried so many.
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Feb 19, 2009
Can anyone recommend a good Compress Files software to compress PDF files, etc.?
For Mac OS 10.5 system.
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Apr 26, 2012
I have hundreds of one-page files to email to a client. I don't seem to be able to understand how to compress them so I can email them. Some of them have photos, so I thought it would be a good idea to keep each compressed file to 20. For example, I thought I followed the instructions correctly when I went to the folder in Word and selected 20 of the files using Command. I didn't open the files or move them or create another folder for them because the instructions didn't tell me to do that. I did right click as the instructions said. Nothing. Obviously, there are some missing steps.
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Jun 25, 2012
How to compress my files and folders, as I believe my macbook pro is starting to freeze and caused by having a slow machine, what do I use to compress these files into one folder.
Info:
Mac OS X (10.7.4)
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Jul 5, 2012
how to compress files on an imac
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Nov 14, 2010
I am wanting to compress video, audio and software into archives so Which archive application has the highest amount of compression and is a good archive app overall?
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Jun 5, 2012
I've got a folder called Blanks/ABC FM/SMS/Other and when I compress it I get two zip files of the same size: one with the correct name and the other called Archive.zip. When I remove the space I only get the Archive.zip. When I remove the slashes I get the correct zip file only.
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Oct 3, 2009
How can i compress one large file into segments of many smaller files that can be later uncompressed in windows, with the help of winrar? Example, i have a 4GB file and i want to make 4 segments of 1gb, is there such an app that can do this and then expand those files with the use of winrar?
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Jun 18, 2010
I can use Carbon Copy or Superduper to clone OS X disks but having not used them will either of these programs allow me to clone from my new 13 MBP with 500GB HDD to 256 GB SSD i.e. Compress the original disk volume like Acronis True Images on Windows?
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Nov 4, 2010
how to compress pictures in .pptx-macbook or how to compress the .pptx itself? I cannot attach the file in email beacuse it has a 19.8MB size.
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Oct 10, 2009
Is this all the compression I can expect to get from compressing an iPhoto folder?
I searched old threads and it seems .JPEG files dont compress as well as other file types. Any advice other than splitting the file up? Shown is the Zip file and the original folder.
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Oct 18, 2009
I have an iso file I'm trying to burn to a dvd but it's a little too big (5GB). What do I need to compress it? It's actually on a pc so if anyone knows a windows xp app to do it that would be great. Otherwise i'll have to transfer to my macbook.
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Nov 2, 2009
I need to compress a file so that I can post it on the internet. The max file size is 250kb and the zip I have is 600kb. Can you recommend a free tool that will allow me to compress it even smaller?
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Jun 16, 2010
I am using stuffit (dropstuff) to compress a folder of photos (28mb) to semd via email to windows user. I tried using the mac ctrl menu compress and it creates a zip but of the same size. I tried using dropstuff on stuffit to compress but .zip is the same size as original too! I am running 10.5.8 (ignore signature below) on 15inch mbp (not the new one)
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Jul 21, 2010
How can I compress a folder to .RAR in Mac OS X
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Mar 16, 2012
does it mean it will take up less room on my disk and is there anything bad that can happen by compressing a file?
Info:
MacBook Pro, Mac OS X (10.7.2)
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Sep 25, 2008
I have legally downloaded a live grateful dead show from [URL] and I want to send it to my friend. The show is about 1gb in size so I can't send it in a single email. Is there any way to compress a folder of all of the songs to make it small enough to send?
If not are there any other methods I could use other than sending the files individually?
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Feb 17, 2009
is if there is a way I can highlight all of my 8gigs and tell it to compress in 4.7GB increments. I know in Windows winrar you can do this but how about in Mac?
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Dec 3, 2009
software I can download to squash it down a bit? Almost like decreasing the file size of a pdf?
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Jan 3, 2010
Just looking for opinions on the best software used to compress high quality video for uploading to web. I'd like to make my videos smaller in size but maintain a decent quality to the picture. I'm certain there's a thread on here somewhere, but can't seem to find it.
PS. I am running Snow Leopard (so I have quicktime), also have Final Cut Express. I know there's a free program out there I thought for doing this type of thing but can't recall the name of it?
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Apr 27, 2008
This feature was available in Tiger and dropped in Leopard. Actually there is a compress PDF feature (either via an applescript that can be downloaded) or using Quartz filter "reduce filesize". However, when dealing with bitmap figures embedded in the PDF, both solutions in Leopard yield very dissappointing results. Whilst in Tiger, the results were outstanding for both file size reduction and maintaining the bitmap clarity.
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Feb 21, 2012
I want to compress a PDF I have created. I've been told that in Preview, in the Print dialog box, in the PDF menu there is an option "Compress PDF." That option doesn't appear in my dropdown menu. It doesn't appear in that menu regardless of what program I'm selecting Print from. I have a new MacBook Pro I bought last August with the latest version of Lion. How do I get that compression feature to work on my system?
Info:
Mac Pro, Mac OS X (10.7.3)
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Apr 9, 2012
I am struggling with the best way to post HD, as well as SD videos to the web - Vimeo as well as YouTube sites. Some of my files are up to an hour long, and above. I've tried mp4, H.264 compression, multi-pass, as well as ProRes in various settings. The files are either too small or too large. I have an stand-alone Flash encoder, but it seems to take an inordinate amount of time. My computer only has a Duo Core - its the first Intel processor. Is it too slow to process these large Video files?
Info:
MacBook Pro, Mac OS X (10.6.3), use multiple external HDDs
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Sep 28, 2010
I have a powerpoint presentation I want to send via email. how can I compress the file to less than 10mb? Its about 42mb at the moment.Alternatively, how can I send it to a file sharing application. I've tried one but the upload continually fails.
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Apr 24, 2009
how to compress pictures in an excel file while saving it on my mac?
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Sep 7, 2009
So I've read the forums and searched on the net for the last few days and found one user which was able to compress his apps to save space just like SL does and saved some GB and was wondering how this could be done.
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Jan 5, 2010
I'm trying to compress (.zip) a RapidWeaver theme to email. The theme is a package of other files and folders including images, stylesheets and scripts. There are no other compressed files within this package or Flash files. When the file has been saved to my desktop, I right click and select "Compress" from the menu. The progress bar gets about 2 thirds along and just freezes. Evidently there is a corrupt file or something in this package, because I have never had this problem before. The package is only 1.6MB in size.
There are about 150 files in this theme. I have looked for any suspect messages in Console.app to try and work out which file is corrupt or causing the problem. But nothing seems to be shown? If I compress the RapidWeaver theme as a GZip file using TarPit, it works fine. But this does not solve the issue of somebody else trying to compress the sent file and hitting the same problem. So my question is how can I work out which file in the package is causing the error?
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Apr 9, 2012
I have created a PowerPoint with photos, pdfs, and a short video. It is too large for me to email. How can I compress it so it can be sent?
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Jul 1, 2012
How do I compress a video that 160mb to 25 mb for an email
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Sep 1, 2014
I use iPhoto to organize my (tens of thousands of) photos and videos. My iPhoto library has grown to 565 GB and I really need to reduce that. Â
I know that it's possible for me to split off some of the photos (e.g. the older ones that I don't view very often) into a separate iPhoto library, which I could store on a different hard drive. However, since I have a laptop and use it in lots of different locations, I'm not too keen on the idea of having those photos stored in an external hard drive that I'd have to retrieve/bring with me whenever I want to view the photos. Â
My question is, can I split off the older photos into another iPhoto library, but leave that library on my laptop hard drive and just compress it? Then un-compress it whenever I want to view those particular photos?Â
Info:
MacBook Pro (Retina, Mid 2012), OS X Mountain Lion (10.8.5)
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