qq邮箱中上传超大附件的步骤如下：
1.将所选文件压缩打包成一个文件压缩包的形式。
/iknow-pic.cdn.bcebos.com/08f790529822720e17d8c19775cb0a46f21fab4c"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/08f790529822720e17d8c19775cb0a46f21fab4c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/08f790529822720e17d8c19775cb0a46f21fab4c"/>
2.添加“超大文件附件”。
/iknow-pic.cdn.bcebos.com/18d8bc3eb13533fa0980b043a6d3fd1f41345bac"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/18d8bc3eb13533fa0980b043a6d3fd1f41345bac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/18d8bc3eb13533fa0980b043a6d3fd1f41345bac"/>
3.进入“超大文件附件”上传界面。
/iknow-pic.cdn.bcebos.com/4d086e061d950a7bff606da904d162d9f2d3c902"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/4d086e061d950a7bff606da904d162d9f2d3c902?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/4d086e061d950a7bff606da904d162d9f2d3c902"/>
4.可以直接拖拽文件夹到“上传新文件”位置。
/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea265f208edb39b6003af3b32a"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea265f208edb39b6003af3b32a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea265f208edb39b6003af3b32a"/>
5.等待上传完成后，点击“确定”即可。这样就解决了qq邮箱中上传超大附件的问题了。
/iknow-pic.cdn.bcebos.com/7aec54e736d12f2ee4378c0d41c2d562853568a8"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/7aec54e736d12f2ee4378c0d41c2d562853568a8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="
https://iknow-pic.cdn.bcebos.com/7aec54e736d12f2ee4378c0d41c2d562853568a8"/>