Pasting large table from Excel into contenteditable takes a substantial amount of time

Confirmed Issue #12514691 • Assigned to Grisha L.


Krzysztof K.
Jun 27, 2017
This issue is public.
Found in
  • Microsoft Edge
Found in build #
Reported by 2 people

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Steps to reproduce

  1. Open attached .xls file.
  2. Copy whole table from Data sheet.
  3. Paste into element with contenteditable=true (you may use this codepen -

In Edge it takes about 50 seconds. And while the browser is processing the data it is in the not responding state.

Comparing to:
IE11: ~15 seconds
Chrome: ~2 seconds
Firefox: ~2 seconds

Edge version:
Microsoft Edge 38.14393.1066.0
Microsoft EdgeHTML 14.14393
Windows 10 (1607 build 14393.1358)


1 attachment

Comments and activity

  • Microsoft Edge Team

    Changed Assigned To to “James M.”

    Changed Assigned To to “Grisha L.”

    Changed Status to “Confirmed”

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