https://www.rfc-editor.org/rfc/rfc5545#section-3.3.14(In reply to Branislav Klocok from comment #13) > Funny thing, when I check ho the file looks on server I got this: > TZOFFSETFROM:+10000 > TZOFFSETTO:+20000 > > So to mee it seems that TB is putting too many zeros there and then Icewarp is reading and saving it wrong. The leading zero is require per specification (see https://www.rfc-editor.org/rfc/rfc5545#section-3.3.14 and https://www.rfc-editor.org/rfc/rfc5545#section-3.3.12). The "00" for the seconds is optional but not against the specification.
Bug 1854107 Comment 14 Edit History
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(In reply to Branislav Klocok from comment #13) > Funny thing, when I check ho the file looks on server I got this: > TZOFFSETFROM:+10000 > TZOFFSETTO:+20000 > > So to mee it seems that TB is putting too many zeros there and then Icewarp is reading and saving it wrong. The leading zero is require per specification (see https://www.rfc-editor.org/rfc/rfc5545#section-3.3.14 and https://www.rfc-editor.org/rfc/rfc5545#section-3.3.12). The "00" for the seconds is optional but not against the specification.