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I want to send a zipped file to someone with a Gmail account, but it doesn't arrive. I get a Delivery Status Notification (Failure).

So how can you configure Gmail to receive zip files?

PS the file doesn't contain a virus or other malware.

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Perhaps the zip is too large? IIRC the maximum attachment size for GMail is 25Mb. –  pritaeas Aug 15 '12 at 14:09
    
No, I tried several, one as small as 100K. But apparently, Gmail blocks incoming ZIP files by default. And I just want to know how to change that. The receiver already added me as a contact, but that didn't do the trick. –  Mr Lister Aug 15 '12 at 15:12
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are you sure that the compressed file has not one of this extensions: "ade", "adp", "bat", "chm", "cmd", "com", "cpl", "exe", "hta", "ins", "isp", "jse", "lib", "mde", "msc", "msp", "mst", "pif", "scr", "sct", "shb", "sys", "vb", "vbe", "vbs", "vxd", "wsc", "wsf" y "wsh". All this files are blocked in Gmail, even if they are compressed –  elunicotomas Aug 15 '12 at 16:40
    
And how do you unblock them? –  Mr Lister Aug 15 '12 at 18:35
    
I know with rar that you can encrypt the filenames. Perhaps that and setting a password may work. Never tried this though. Or perhaps you can upload it to google docs. –  pritaeas Aug 15 '12 at 19:41

4 Answers 4

Google blocks a specific set of executable file types. Zip files are only blocked when they contain any of these file types or if they are encrypted and contain another zip file [source].

You can continue to send zip files by:

  • Not sending zip files containing executable files
  • Renaming the extensions for the executable files or the zip files (which then needs to be renamed back before use)

Some of the executable file types that are current blocked include:

.ade, .adp, .bat, .chm, .cmd, .com, .cpl, .exe, .hta, .ins, 
.isp, .jse, .lib, .mde, .msc, .msp, .mst, .pif, .scr, .sct, 
.shb, .sys, .vb, .vbe, .vbs, .vxd, .wsc, .wsf, .wsh

The compression formats that are evaluated include:

.zip, .tar, .tgz, .taz, .z, .gz, .rar
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As of today, this no longer works for me. Nor can you download attachments previously sent to/through Gmail this way. Posted a product question here: productforums.google.com/forum/#!mydiscussions/gmail/… –  mcw0933 Oct 9 at 19:31

Google blocks zipped files only if they contain executable (or other not allowed extensions) files. That's why some zip are accepted while other zips are blocked.

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Perhaps you can add a refence to your question, with the not allowed extensions? –  Jacob Jan Tuinstra May 17 '13 at 8:25

I have had the same problem. My solution was to change the file name from .zip to .zzz

The recipient then merely changes the file name back to .zip

Recently however, My zip files have gone through(I accidently forgot to change the file name). Maybe Google has relaxed their policy.

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Configure your MS Outlook with gmail account. You will be able to send and access all attachments.

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Some indication of how might improve this answer. –  pnuts Oct 19 at 17:09

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