IFS Office Add-ons (like the DocMan Office Add-in), normally installed via a .vsto ClickOnce link from the add-on.html page, no longer install correctly from Chrome or Edge now that Internet Explorer has been removed — the link simply does nothing.

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Answer

Two things typically need addressing together. First, enable ClickOnce support in the browser itself — in Edge, go to edge://flags, search for 'ClickOnce,' and set ClickOnce Support to Enabled, then restart the browser. Second, if the .vsto link still doesn't work after that, check for a conflicting 'IFS EE Link Handler' browser extension/handler — disabling it has resolved cases where it was intercepting or interfering with the .vsto ClickOnce link even with ClickOnce support otherwise correctly enabled in the browser.

Documentation-based answer. Confirm the product and release before applying it. This answer has not been verified in an IFS environment.

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