It had to happen sooner or later. But now questions about how to do this are appearing. And the answer is “it depends”.<\/p>\n\n\n\n
ALWAYS use a copy or have a backup copy of your entire project JUST in case something goes wrong.<\/p>\n\n\n\n
IF you have a license that permits you to save as text (Xojo Project) save your project as a text project. You then need to open the single file called projectname.xojo_project<\/em><\/p>\n\n\n\n At the very beginning of this file you will see entries like the following :<\/p>\n\n\n\n Change the number after MinIDEVersion to 20070100 and save. You can now open the project in whatever version you want.<\/p>\n\n\n\n In an XML project you would see<\/p>\n\n\n\n Again change the number following MinIDEVersion to 20070100. Make sure you keep the quotes around the value. And save.<\/p>\n\n\n\n Binary is a lot tougher because it is a proprietary format. And to edit that you WILL need a licensed version of Arbed. Once you have that you can open a binary project and select the top entry which represents the project and change the OriginalVersion to 20070100 and the ProjectSavedInVers to 2007.01 and save.<\/p>\n\n\n\n And now you can open your project in old versions again.<\/p>\n","protected":false},"excerpt":{"rendered":" It had to happen sooner or later. But now questions about how to do this are appearing. And the answer is “it depends”. ALWAYS use a copy or have a backup copy of your entire project JUST in case something goes wrong. IF you have a license that permits you to save as text (Xojo … <\/p>\nType=Desktop\nRBProjectVersion=2019.02\nMinIDEVersion=20190200\nOrigIDEVersion=20190200<\/code><\/pre>\n\n\n\n<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<RBProject version=\"2019r2\" FormatVersion=\"2\" MinIDEVersion=\"20190200\">\n<block type=\"Project\" ID=\"0\">\n<\/code><\/pre>\n\n\n\n