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Attachment Types

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Last updated: 2026-01-30 15:11:09
SES can send emails with attachments in the following supported formats:
Note:
Some ISPs have other restrictions. Therefore, we recommend you test main ISPs before sending emails in a production environment to check whether the attachments can be delivered properly.
Supported
.xlsx, .xls, .ods, .docx, .docm, .doc, .csv, .pdf, .txt, .gif, .jpg, .jpeg, .png, .tif, .tiff, .rtf, .bmp, .cgm, .css, .shtml, .html, .htm, .zip, .xml, .ppt, .pptx, .tar, .ez, .ics, .mobi, .msg, .pub, .eps, .odt, .mp3, and .m4a
Not supported
.m4v, .wma, .ogg, .flac, .wav, .aif, .aifc, .aiff, .mp4, .mov, .avi, .mkv, .mpeg, .mpg, .wmv, .ade, .adp, .app, .asp, .bas, .bat, .cer, .chm, .cmd, .com, .cpl, .crt, .csh, .der, .exe, .fxp, .gadget, .hlp, .hta, .inf, .ins, .isp, .its, .js, .jse, .ksh, .lib, .lnk, .mad, .maf, .mag, .mam, .maq, .mar, .mas, .mat, .mau, .mav, .maw, .mda, .mdb, .mde, .mdt, .mdw, .mdz, .msc, .msh, .msh1, .msh2, .mshxml, .msh1xml, .msh2xml, .msi, and .msp
Note:
Attachment filenames must not contain the following special characters: ? \\ * | " < > : / or spaces.

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