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	<title>OpenSite/File formats - Revision history</title>
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	<updated>2026-10-30T02:07:05Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://kfdani-001-site10.gtempurl.com/index.php?title=OpenSite/File_formats&amp;diff=961&amp;oldid=prev</id>
		<title>BathAfrica: Complete OpenSite user manual, tutorial pathways and support navigation</title>
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		<updated>2026-10-29T22:09:04Z</updated>

		<summary type="html">&lt;p&gt;Complete OpenSite user manual, tutorial pathways and support navigation&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__NOTOC__&lt;br /&gt;
{{OpenSite scope}}&lt;br /&gt;
Know what is stored in each kind of file.&lt;br /&gt;
&lt;br /&gt;
== Files at a glance ==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! File/data !! Purpose !! Important boundary&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;.osdoc&amp;lt;/code&amp;gt; || Engineering document, versioned JSON model || The current writer uses format 4. Session undo history, script editors and plot tabs are not a project backup.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;.py&amp;lt;/code&amp;gt; || Saved Python script || UTF-8 text; executes trusted code in the chosen host.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;opensite-material-exchange&amp;lt;/code&amp;gt; version 1 || Material import/export payload || Not a full document or model conversion format.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;settings.json&amp;lt;/code&amp;gt; / opensite-settings version 1 || User/presentation settings where configured || Separate from credentials and from a complete engineering file.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;.png&amp;lt;/code&amp;gt; || Saved plot/viewport image || An image, not editable model data or calculation verification.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== Compatibility ==&lt;br /&gt;
The reviewed writer emits document format 4. Formats 1–3 load; format 5 and newer are rejected. Earlier OpenSite builds do not read format 4. Keep an original copy before opening and saving with a newer build.&lt;br /&gt;
&lt;br /&gt;
== What a document does not guarantee ==&lt;br /&gt;
An unavailable plugin payload can be preserved without computation support. Cross-document links require matching identities and recovery uses open documents. A saved file does not prove that Python ran, that all links resolved or that engineering results were independently checked.&lt;br /&gt;
&lt;br /&gt;
== Safe working practice ==&lt;br /&gt;
Use [[OpenSite/Guides/Manage document files]] and [[OpenSite/Guides/Update OpenSite]]. Do not rename an arbitrary JSON, spreadsheet, CAD or solver file to .osdoc and expect an import workflow.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;div class=&amp;quot;os-page-nav&amp;quot;&amp;gt;{{Docnav|OpenSite/Guides/Recover linked and unavailable objects|OpenSite/Tutorials|OpenSite/User manual|User manual}}&amp;lt;/div&amp;gt;&lt;br /&gt;
[[Category:OpenSite documentation]]&lt;/div&gt;</summary>
		<author><name>BathAfrica</name></author>
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