<?xml version="1.0" encoding="utf-8"?><!DOCTYPE article  PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'  'http://www.docbook.org/xml/4.4/docbookx.dtd'><article><articleinfo><title>Office365/Excel</title><revhistory><revision><revnumber>12</revnumber><date>2024-07-18 07:15:44</date><authorinitials>kputyr</authorinitials></revision><revision><revnumber>11</revnumber><date>2024-07-18 06:34:08</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>10</revnumber><date>2024-07-18 06:22:13</date><authorinitials>kputyr</authorinitials></revision><revision><revnumber>9</revnumber><date>2024-07-17 11:47:11</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>8</revnumber><date>2024-07-17 11:43:42</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>7</revnumber><date>2024-07-17 11:42:36</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>6</revnumber><date>2024-07-17 11:40:05</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>5</revnumber><date>2024-07-17 11:39:55</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>4</revnumber><date>2024-07-17 11:38:17</date><authorinitials>alrutz</authorinitials></revision><revision><revnumber>3</revnumber><date>2024-07-17 11:33:42</date><authorinitials>alrutz</authorinitials><revremark>Renamed from 'https:/wiki.math.uzh.ch/public/Office365/Excel'.</revremark></revision><revision><revnumber>2</revnumber><date>2024-07-17 11:32:49</date><authorinitials>alrutz</authorinitials><revremark>Renamed from 'Excel'.</revremark></revision><revision><revnumber>1</revnumber><date>2024-07-17 11:32:01</date><authorinitials>alrutz</authorinitials></revision></revhistory></articleinfo><section><title>Excel</title><section><title>Issues</title><section><title>Numbers are unwillingly converted to dates</title><itemizedlist><listitem><para>Excel is configured to recognize dates and change the formatting of a cell automatically, whenever it recognizes a date. </para></listitem><listitem><para>Sometimes the recognition is faulty, which results in cells being formatted as dates, even though it is just a number. </para></listitem><listitem><para>There are two approaches to fix the issue: </para><orderedlist numeration="arabic"><listitem><para>Format all the cells before inserting numbers (select either &quot;standard&quot; or &quot;number&quot;): </para><para><inlinemediaobject><imageobject><imagedata fileref="https://wiki.math.uzh.ch/public/Office365/Excel/home/b/alrutz/Desktop?action=AttachFile&amp;do=get&amp;target=3.png"/></imageobject><textobject><phrase>/home/b/alrutz/Desktop/3.png</phrase></textobject></inlinemediaobject> <inlinemediaobject><imageobject><imagedata fileref="https://wiki.math.uzh.ch/public/Office365/Excel/home/b/alrutz/Desktop?action=AttachFile&amp;do=get&amp;target=4.png"/></imageobject><textobject><phrase>/home/b/alrutz/Desktop/4.png</phrase></textobject></inlinemediaobject> </para></listitem><listitem><para>Change decimal &amp; thousands separator (regional settings): </para><itemizedlist><listitem><para>Click File &gt; Options </para></listitem><listitem><para>On the Advanced tab, under Editing options, clear the &quot;Use system separators&quot; check box </para></listitem><listitem><para>Type new separators in the &quot;Decimal separator&quot; and &quot;Thousands separator boxes&quot; </para><itemizedlist><listitem override="none"><para><inlinemediaobject><imageobject><imagedata fileref="https://wiki.math.uzh.ch/public/Office365/Excel/home/b/alrutz/Desktop?action=AttachFile&amp;do=get&amp;target=5.png"/></imageobject><textobject><phrase>/home/b/alrutz/Desktop/5.png</phrase></textobject></inlinemediaobject> <inlinemediaobject><imageobject><imagedata fileref="https://wiki.math.uzh.ch/public/Office365/Excel/home/b/alrutz/Desktop?action=AttachFile&amp;do=get&amp;target=6.png"/></imageobject><textobject><phrase>/home/b/alrutz/Desktop/6.png</phrase></textobject></inlinemediaobject> <inlinemediaobject><imageobject><imagedata fileref="https://wiki.math.uzh.ch/public/Office365/Excel/home/b/alrutz/Desktop?action=AttachFile&amp;do=get&amp;target=7.png"/></imageobject><textobject><phrase>/home/b/alrutz/Desktop/7.png</phrase></textobject></inlinemediaobject> </para></listitem></itemizedlist></listitem></itemizedlist></listitem></orderedlist></listitem></itemizedlist></section></section></section></article>