Questions tagged [qgz]

For questions about the QGZ file format, its structure and content or conversion from or to that file type. This is a zipped project file format, added as an optional format in QGIS 3.0 and made the default in QGIS 3.2.

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QGIS do not open my qgz~ file anymore. CRC-Error?

I have a couple of months' work on a project in QGIS 3.16.13 with Win 10. All my data is stored on a flashdrive. Since yesterday when I try to open my project I receive this error message Cannot read ...
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21 views

QGIS/PostGIS : Disable double authentication request

I work on Windows with QGIS 3.16.6 and PostgreSQL/PostGIS. I have shared a QGIS project to several users. The layers are PostGIS tables. For some time, whenever an user opens the project, it has been ...
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2 votes
1 answer
61 views

Getting all layer names from opened .qgz project file using PyQGIS

I have several .qgz project in different directories. I would like to get all the (displayed) layer names from each project. I tried several forms of code to get it from documentation, but it only ...
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0 answers
214 views

Convert .qgz (or .qgs) to .mxd?

Is there any way to convert a QGIS project (format .qgz or .qgs) to ESRI's ArcMap map (format .mxd)? A QGIS plugin would be helpful.
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Can a QGIS project file (qgz) be used by several users at the same time?

I am wondering whether a QGIS project file (qgz) can be used by several users at the same time? I can't test it at the moment thats why I ask.
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What does the padlock mean in the QGIS project icon? [closed]

What does the lock mean in the .qgz file icon?
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  • 186
3 votes
0 answers
46 views

Why is loading qgs/qgz 2 x slower than loading qlr?

I have a Layer Definition file(.qlr) that takes 50sec to load. When I save it as a project(qgs/qgz) it takes over 2min to load the same data. Why does loading of qgs/qgz take longer than loading qlr? ...
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  • 31
2 votes
0 answers
152 views

How to save QGIS Project without loading it with PyQGIS

I wrote a processing tool and as part of the tool, I am zooming to the selected object(s) and exporting (writing) the current state to a .qgz file. However, it immediately loads this new .qgz to QGIS ...
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4 votes
2 answers
412 views

What is the difference between QGIS file types?

When I open the .qgz-file there are the others opened with it at the same time? or what is the use of other types?
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1 vote
1 answer
60 views

Change raster size GZ-File in QGIS

I have Climate Data grids_germany_multi_annual_air_temp_mean_1981-2010_17.asc.gz from the ftp-server of the Deutsche Wetterdienst as raster files of multi-annual mean temperature. Source: https://...
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0 votes
1 answer
543 views

Opening QGIS or .gqz project files on mac [closed]

I have an old Macbook pro with QGIS 3.10 installed. I have not been able to open any QGIS projects I have saved because of this error -> There is no application set to open the document “test ...
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3 votes
0 answers
193 views

Using different EPSG in QGIS projects

I have 2 projects, with data from different regions and with different EPSG, 1 with EPSG 31983 and the other with EPSG 31984, according to the folder structure shown below, in Windows explorer. In ...
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  • 655
1 vote
0 answers
595 views

My QGIS project won't open - unable to unzip .qgz file

I created a QGIS project yesterday, and saved it in one of my user's folder. The file extension is qgz. Today I can't open it anymore. In the project home folder in QGIS it says Unable to unzip file ...
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1 vote
0 answers
57 views

QGZ file without any non-ASCII characters opens just as a completely blank project

I just wanted to open a qgz project file which I used one week before in QGIS 3.6.1 without any problems. Today it opens just as a blank project like a new empty one (same problem in 3.8.3 as well as ...
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7 votes
1 answer
10k views

Difference between .qgs and .qgz [closed]

can anyone explain the difference between .qgz and .qgs project files in QGIS or know a good documentation?
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7 votes
1 answer
3k views

Open .qgz files to edit file paths

I have hundreds of QGIS projects that have been built over years and many different QGIS versions. Now I need to move them to another server and I want to be able to edit the project files to show the ...
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  • 1,195
1 vote
1 answer
164 views

.QGZ Files and replication thereof

I know this question may be better asked in a Windows Server board but I'm unfamiliar in the extreme with the software and was wondering if anything can be done inside of QGIS. We have DFS set up and ...
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9 votes
2 answers
1k views

Removing legend items with PyQGIS without removing the layer

I am trying to generate maps in PDF files by using a pre-defined .qgz layout. I am already able to load layers and adjust color scale, etc. Since the legend is synchronized with the map layers, all ...
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4 votes
1 answer
863 views

qgz-projects can't be opened in QGIS 3

I have recently switched to QGIS 3.4.0 and currently, I can't open projects saved in .qgz-format. No error message, no crash, they simply don't open. When I try to load the project a second time, I ...
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  • 12.8k
1 vote
0 answers
189 views

Empty qgz when I open it

With QGIS 3.x when I save any project in a qgz format and I try to open it after, they are always with no one layers in the TOC (and canvas...). Every layer is in the same location in the computer... ...
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6 votes
1 answer
3k views

Is there any way to recover data when a .qgz file will not open?

I saved my QGIS project as a .qgz file and then my computer crashed (however I can't confirm that the saving had completed successfully). After restarting the computer, however, the .qgz archive no ...
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